Rivers of classical antiquity

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Following is a list of rivers of classical antiquity stating the Latin name, the equivalent English name, and also, in some cases, Greek and local name. The scope is intended to include, at least, rivers named and known widely in the Roman empire. This includes some rivers beyond the bounds of the Roman empire at its peak.

Map

For locations of rivers having coordinates below, see linked OpenStreetMap, by clicking on "Map all coordinates using: OpenStreetMap".

Rivers

Rivers, with approximate regions, area:

Latin English, (other) and older names	Location	Note
Abdua, Addua Adda	Italia 45°08′04″N 9°52′54″E / 45.134444°N 9.881667°E / 45.134444; 9.881667 (Abdua, Addua)	Flows through Lake Como
Achelous¹ Acheloos (Achelous)	Epirus? 38°19′53″N 21°06′05″E / 38.331389°N 21.101389°E / 38.331389; 21.101389 (Achelous)
Aciris Agri	Italia 40°13′00″N 16°44′00″E / 40.216667°N 16.733333°E / 40.216667; 16.733333 (Aciris)
Adonis Nahr Ibrahim (Lebanon)	Syria 34°03′44″N 35°38′32″E / 34.062222°N 35.642222°E / 34.062222; 35.642222 (Adonis)
Adrana Eder	Germania 51°13′00″N 9°27′18″E / 51.216677°N 9.455075°E / 51.216677; 9.455075 (Adrana)
Aenus, Oenus Inn	Germania 48°34′25″N 13°28′38″E / 48.57353°N 13.47713°E / 48.57353; 13.47713 (Aenus)
Aesis Esino	Italia 43°39′00″N 13°22′00″E / 43.65°N 13.366667°E / 43.65; 13.366667 (Aesis)
Aesontius, Sontius Soča (Isonzo)	Pannonia Superior? 45°59′40″N 13°38′29″E / 45.994444°N 13.641389°E / 45.994444; 13.641389 (Aesontius, Sontius)
Alara Aller	Germania 52°06′09″N 11°14′01″E / 52.102453°N 11.233703°E / 52.102453; 11.233703 (Alara)
Albinia Albegna	Italia 42°30′00″N 11°11′00″E / 42.5°N 11.183333°E / 42.5; 11.183333 (Albinia)
Albis Elbe (Labe, Łaba)	Germania 53°55′20″N 8°43′20″E / 53.922222°N 8.722222°E / 53.922222; 8.722222 (Albis)
Alpheus¹ Alpheus (Alfeiós/Alpheiós)	Achaea? 37°36′45″N 21°27′06″E / 37.6125°N 21.451667°E / 37.6125; 21.451667 (Alpheus)
Alutus Olt	Thracia? Moesia Inferior? 43°42′46″N 24°48′01″E / 43.712778°N 24.800278°E / 43.712778; 24.800278 (Alutus)
Amber Amper, Ammer	Germania 48°30′01″N 11°57′24″E / 48.500278°N 11.956667°E / 48.500278; 11.956667 (Amber)
Amisia, Amisus Ems	Germania 53°19′32″N 7°14′41″E / 53.325556°N 7.244722°E / 53.325556; 7.244722 (Amisia, Amisus)
Amnias Gök River	Bithynia and Pontus 41°24′28″N 35°07′08″E / 41.4077°N 35.1188°E / 41.4077; 35.1188 (Amnias)	Site of Battle of the River Amnias in 89 B.C.
Ana, Anas Guadiana	Hispania 37°10′12″N 7°23′37″W / 37.17°N 7.393611°W / 37.17; -7.393611 (Ana, Anas)
Anio Aniene (Teverone)	Italia 41°56′30″N 12°30′07″E / 41.941745°N 12.50181°E / 41.941745; 12.50181 (Anio)	Tributary to the Tiber; water supply to expanding Roma.
Anisus Enns	Noricum? 48°14′13″N 14°31′08″E / 48.2369°N 14.519°E / 48.2369; 14.519 (Anisus)	Tributary to the Danube.
Apo Caraş (Karaš)	Moesia Superior 44°49′51″N 21°19′01″E / 44.830833°N 21.316944°E / 44.830833; 21.316944 (Apo)	A left tributary to the Danube.
Arabo, Raba Rába (Raab)	Germania 47°41′03″N 17°38′04″E / 47.684167°N 17.634444°E / 47.684167; 17.634444 (Arabo)
Arar Saône	Gallia 45°43′39″N 4°49′04″E / 45.7275°N 4.817778°E / 45.7275; 4.817778 (Arar)
Araros Buzău	Dacia? 45°24′49″N 27°44′29″E / 45.413611°N 27.741389°E / 45.413611; 27.741389 (Araros)
Arauris Hérault	Gallia 43°16′57″N 3°26′39″E / 43.2825°N 3.444167°E / 43.2825; 3.444167 (Arauris)
Araxes Aras	Armenia? 40°01′06″N 48°27′13″E / 40.0184°N 48.4535°E / 40.0184; 48.4535 (Araxes)
Arda Arda	Italia 45°02′05″N 10°03′13″E / 45.034722°N 10.053611°E / 45.034722; 10.053611 (Arda)
Ariminus Marecchia	Italia 44°04′00″N 12°34′00″E / 44.066667°N 12.566667°E / 44.066667; 12.566667 (Ariminus)
Armenta Fiora	Italia 42°20′00″N 11°34′00″E / 42.333333°N 11.566667°E / 42.333333; 11.566667 (Armenta)
Arnus Arno	Italia 43°41′00″N 10°17′00″E / 43.683333°N 10.283333°E / 43.683333; 10.283333 (Arnus)
Argessos, Argessus¹ Argeş	Dacia 44°03′33″N 26°37′01″E / 44.059167°N 26.616944°E / 44.059167; 26.616944 (Argessos, Argessus)	From Carpathians to the Danube. How different than Orgessos?
Arsia, Arsa Raša (Arsia)	Dalmatia 45°01′59″N 14°02′50″E / 45.033°N 14.0471°E / 45.033; 14.0471 (Arsia, Arsa)
Arula Aare	Germania 47°36′21″N 8°13′24″E / 47.6057°N 8.2234°E / 47.6057; 8.2234 (Arula)
Arva Orava	Germania Magna? 49°09′N 19°09′E / 49.15°N 19.15°E / 49.15; 19.15 (Arva)
Asis Aso	Italia 43°06′N 13°51′E / 43.1°N 13.85°E / 43.1; 13.85 (Asis)
Atax Aude	Gallia 43°12′45″N 3°14′25″E / 43.2125°N 3.240278°E / 43.2125; 3.240278 (Atax)	From Pyrenees to Mediterranean near Narbo.
Aternus Aterno	Italia 42°28′11″N 14°13′47″E / 42.469722°N 14.229722°E / 42.469722; 14.229722 (Aternus)
Atesis Adige (Etsch)	Italia 45°08′59″N 12°19′13″E / 45.149722°N 12.320278°E / 45.149722; 12.320278 (Atesis)
Aufentus, or Aufidus^[1] Ufente	Italia 41°17′17″N 13°11′45″E / 41.288127°N 13.195863°E / 41.288127; 13.195863 (Aufentus, Aufidus)	River, now channelized, through the former Pontine Marshes, where the Appian Way reached the sea.
Aufidus Ofanto	Italia 41°21′00″N 16°13′00″E / 41.35°N 16.216667°E / 41.35; 16.216667 (Aufidus)
Auvona Avon (Bristol?)	Brittania 51°30′22″N 2°43′06″W / 51.506111°N 2.718333°W / 51.506111; -2.718333 (Auvona)
Avens Velino	Italia 42°33′00″N 12°43′00″E / 42.55°N 12.716667°E / 42.55; 12.716667 (Avens)
Axius¹ Vardar (Axiós)	Macedonia 40°30′27″N 22°43′03″E / 40.5075°N 22.7175°E / 40.5075; 22.7175 (Axius)
Axona Aisne	Gallia 49°26′01″N 2°50′49″E / 49.433611°N 2.846944°E / 49.433611; 2.846944 (Axona)
Baetis Guadalquivir	Hispania 36°47′00″N 6°21′00″W / 36.783333°N 6.35°W / 36.783333; -6.35 (Baetis)
Bagradas Medjerda River	Africa 37°07′00″N 10°13′00″E / 37.116667°N 10.216667°E / 37.116667; 10.216667 (Bagradas)	Site of several battles during the Punic Wars and later; see Battle of the Bagradas River.
Basana Bosna	Dalmatia? 45°04′00″N 18°28′01″E / 45.066667°N 18.466944°E / 45.066667; 18.466944 (Basana)
Boactes Vara	Italia 44°09′00″N 9°53′00″E / 44.15°N 9.883333°E / 44.15; 9.883333 (Boactes)
Borysthenes Dnieper (Dniepr)	Sarmatia 46°30′00″N 32°20′00″E / 46.5°N 32.333333°E / 46.5; 32.333333 (Borysthenes)
Bradanus Bradano	Italia 40°23′00″N 16°51′00″E / 40.383333°N 16.85°E / 40.383333; 16.85 (Bradanus)
Calipus Sado	Hispania 38°29′22″N 8°55′24″W / 38.4894°N 8.92333°W / 38.4894; -8.92333 (Calipus)
Calor Calore Irpino	Italia 41°11′06″N 14°27′46″E / 41.185°N 14.462778°E / 41.185; 14.462778 (Calor)
Calor Calore Lucano	Italia 40°30′18″N 15°01′10″E / 40.505°N 15.019444°E / 40.505; 15.019444 (Calor)
Casuentus Basento	Italia 40°20′00″N 16°49′00″E / 40.333333°N 16.816667°E / 40.333333; 16.816667 (Casuentus)
Cephissus¹ (Athenae) Cephissus (Athens) (Kephissós, Kifissós)	Achaea 37°56′19″N 23°40′12″E / 37.938611°N 23.67°E / 37.938611; 23.67 (Cephissus (Athenae))
Cephissus¹ (Boeotia) Cephissus (Boeotia)	Achaea 38°25′56″N 23°14′43″E / 38.432222°N 23.245278°E / 38.432222; 23.245278 (Cephissus (Boeotia))
Cephissus¹ (Eleusis) Cephissus (Eleusis)	Achaea?
Chalusus, Treva Trave	Germania 53°57′39″N 10°53′14″E / 53.960833°N 10.887222°E / 53.960833; 10.887222 (Chalusus, Treva)
Ciabrus Tsibritsa	Moesia 43°48′51″N 23°31′38″E / 43.8142°N 23.5271°E / 43.8142; 23.5271 (Ciabrus)	A right tributary of the Danube; divided Moesia Superior vs. Moesia Inferior
Clanis, Glanis, Clanius Clanius Clanio, Lagni^[2]	Italia
Clitumnus Clitunno	Italia	A tributary of the Topino, which is a tributary of the Tiber. The spring which is the source of the Clitumnus was regarded a beautiful place by the Romans and later by Byron and Giosuè Carducci.
Clota Clyde	Brittania 55°40′46″N 4°58′17″W / 55.679528°N 4.971306°W / 55.679528; -4.971306 (Clota)
Colapis Kupa (Kolpa)	Dalmatia? 45°27′36″N 16°24′08″E / 45.46°N 16.402222°E / 45.46; 16.402222 (Colapis)
Conovius Conwy	Brittania 53°18′00″N 3°50′00″W / 53.3°N 3.833333°W / 53.3; -3.833333 (Conovius)
Crathis Crati	Italia 39°43′25″N 16°31′45″E / 39.723611°N 16.529167°E / 39.723611; 16.529167 (Crathis)
Crisus, Crisia Körös (Criş)	Dacia? 46°43′02″N 20°11′18″E / 46.717222°N 20.188333°E / 46.717222; 20.188333 (Crisus, Crisia)
Crustumium Conca^[3]	Italia 43°58′00″N 12°43′00″E / 43.966667°N 12.716667°E / 43.966667; 12.716667 (Crustumium)
Cusus, Vagus Váh (Vág, Waag)	Germania Magna 47°55′00″N 18°01′00″E / 47.916667°N 18.016667°E / 47.916667; 18.016667 (Cusus, Vagus)
Danuvius, Danubius Upper Danube (Donau, Duna, Dunaj, Dunav, Dunărea)	Multiple	Border of several regions of Roman Empire at times. Crossed by Trajan's Bridge, a world wonder. Some lower portion of the Danube was termed the Ister.
Dierna Cerna	Dacia? 44°44′22″N 22°24′44″E / 44.739444°N 22.412222°E / 44.739444; 22.412222 (Dierna)	Dierna was a Roman fort at its confluence with the Danube.
Dubis Doubs	Gallia 46°54′03″N 5°01′27″E / 46.900833°N 5.024167°E / 46.900833; 5.024167 (Dubis)
Duria maior, Duria Bautica Dora Baltea	Italia 45°10′49″N 8°02′52″E / 45.1804°N 8.0477°E / 45.1804; 8.0477 (Duria maior, Duria Bautica)
Duria minor Dora Riparia	Italia 45°04′43″N 7°43′30″E / 45.078611°N 7.725°E / 45.078611; 7.725 (Duria minor)	A left tributary of the Padus.
Durius, Durias Douro (Duero)	Hispania 41°08′36″N 8°40′10″W / 41.143333°N 8.669444°W / 41.143333; -8.669444 (Durius, Durias)
Dravus Drave (Drau, Drava, Dráva)	Pannonia? 45°32′38″N 18°55′31″E / 45.543889°N 18.925278°E / 45.543889; 18.925278 (Dravus)
Euphrates Euphrates	Parthia/Mesopotamia 31°00′18″N 47°26′31″E / 31.005°N 47.441944°E / 31.005; 47.441944 (Euphrates)
Feritor Bisagno	Italia 44°23′42″N 8°56′35″E / 44.395131°N 8.943158°E / 44.395131; 8.943158 (Feritor)
Fertor, Frento Fortore	Italia 41°55′00″N 15°17′00″E / 41.916667°N 15.283333°E / 41.916667; 15.283333 (Fertor, Frento)
Fevos Varaita	Italia 44°49′16″N 7°36′28″E / 44.821111°N 7.607778°E / 44.821111; 7.607778 (Fevos)
Flosis Potenza	Italia 43°25′00″N 13°40′00″E / 43.416667°N 13.666667°E / 43.416667; 13.666667 (Flosis)
Flusor Chienti	Italia 43°18′N 13°45′E / 43.3°N 13.75°E / 43.3; 13.75 (Flusor)
Flussorius Fiastra	Italia 43°16′00″N 13°28′00″E / 43.266667°N 13.466667°E / 43.266667; 13.466667 (Flussorius)
Formio Rižana (Risano)	Italia? 45°32′42″N 13°45′20″E / 45.544871°N 13.755519°E / 45.544871; 13.755519 (Formio)
Garumna Garonne	Gallia 45°02′29″N 0°36′24″W / 45.041389°N 0.606667°W / 45.041389; -0.606667 (Garumna)
Genusus Shkumbin	Macedonia 41°02′23″N 19°26′34″E / 41.039722°N 19.442778°E / 41.039722; 19.442778 (Genusus)
Gerros, Gerrus¹ Molochnaya	Sarmatia? 46°42′05″N 35°17′55″E / 46.7014°N 35.2986°E / 46.7014; 35.2986 (Gerros, Gerrus)
Helinius Helinium	Belgica 51°43′50″N 4°42′57″E / 51.730431°N 4.715881°E / 51.730431; 4.715881 (Helinius)
Hierasus¹ Siret	Dacia 45°24′11″N 28°01′27″E / 45.403056°N 28.024167°E / 45.403056; 28.024167 (Hierasus)
Hypanis¹ Southern Bug (Boh, Buh)	Sarmatia 46°59′00″N 31°58′00″E / 46.983333°N 31.966667°E / 46.983333; 31.966667 (Hypanis)
Iberus Ebro (Ebre)	Hispania 40°43′12″N 0°51′47″E / 40.72°N 0.863056°E / 40.72; 0.863056 (Iberus)
Idanus, Addua Ain	Gallia 45°47′45″N 5°10′10″E / 45.795833°N 5.169444°E / 45.795833; 5.169444 (Idanus, Addua)
Ilargus Iller	Germania 48°22′53″N 9°58′23″E / 48.381389°N 9.973056°E / 48.381389; 9.973056 (Ilargus)
Indus Dalaman River	Asia Minor 36°42′23″N 28°43′36″E / 36.70637°N 28.726726°E / 36.70637; 28.726726 (Indus)	Not to be confused with Indus River, the great river of Asia
Ira, Iria	Staffora 45°04′57″N 9°01′46″E / 45.0824°N 9.0294°E / 45.0824; 9.0294 (Ira, Iria)
Iris Yeşilırmak	Asia Minor 41°22′54″N 36°39′37″E / 41.3816°N 36.6603°E / 41.3816; 36.6603 (Iris)
Isala, Sala IJssel	Belgica 52°34′58″N 5°50′24″E / 52.582778°N 5.84°E / 52.582778; 5.84 (Isala, Sala)
Isara, Aesia, Oesia Oise	Belgica?, Gallia 48°59′12″N 2°04′17″E / 48.986667°N 2.071389°E / 48.986667; 2.071389 (Isara, Aesia, Oesia)
Isara, Isarus, Isargus Isar	Germania 48°48′11″N 12°58′35″E / 48.803056°N 12.976389°E / 48.803056; 12.976389 (Isara, Isarus, Isargus)
Isara Isère	Gallia 44°58′56″N 4°51′08″E / 44.982222°N 4.852222°E / 44.982222; 4.852222 (Isara)
Isarus, Isarcus Eisack (Isarco)	Italia 46°26′28″N 11°18′53″E / 46.4412°N 11.3148°E / 46.4412; 11.3148 (Isarus, Isarcus)
Isaurus Foglia	Italia 43°55′00″N 12°54′00″E / 43.916667°N 12.9°E / 43.916667; 12.9 (Isaurus)
Ister Lower Danube (Donau, Duna, Dunaj, Dunav, Dunărea)	45°13′03″N 29°45′41″E / 45.2175°N 29.761389°E / 45.2175; 29.761389 (Ister)	Some lower portion of the Danube, to its mouth on Black Sea. Danuvius was upper portion.
Julia, Licus Gail	Germania? Gallia? 46°36′23″N 13°53′14″E / 46.606389°N 13.887222°E / 46.606389; 13.887222 (Julia, Licus)
Juvavus, Isonta Salzach	Germania 48°12′24″N 12°55′46″E / 48.206667°N 12.929444°E / 48.206667; 12.929444 (Juvavus, Isonta)
Lametus	Amato
Laus Lao	Italia 39°46′36″N 15°47′39″E / 39.776667°N 15.794167°E / 39.776667; 15.794167 (Laus)
Leontes Litani River (Lebanon)	Syria 33°20′20″N 35°14′43″E / 33.338889°N 35.245278°E / 33.338889; 35.245278 (Leontes)
Licus, Lica, Licca Lech	Germania 48°44′06″N 10°56′11″E / 48.735°N 10.936389°E / 48.735; 10.936389 (Licus, Lica, Licca)
Liger Loire	Gallia 47°16′09″N 2°11′09″W / 47.269167°N 2.185833°W / 47.269167; -2.185833 (Liger)
Limia Lima	Hispania 41°40′57″N 8°50′13″W / 41.6824°N 8.8369°W / 41.6824; -8.8369 (Limia)
Liquentia Livenza	Italia 45°35′00″N 12°52′00″E / 45.583333°N 12.866667°E / 45.583333; 12.866667 (Liquentia)
Liris, Clanis Garigliano (Liri)	Italia 41°13′00″N 13°45′00″E / 41.216667°N 13.75°E / 41.216667; 13.75 (Lirus, Clanis)
Lupia, Luppia Lippe	Germania 51°39′03″N 6°36′15″E / 51.650833°N 6.604167°E / 51.650833; 6.604167 (Lupia, Luppia)
Lycus Nahr al-Kalb (Lebanon)	Syria 33°57′N 35°36′E / 33.95°N 35.6°E / 33.95; 35.6 (Lycus)
Lycus Kelkit River	Asia Minor 40°45′58″N 36°30′33″E / 40.765982°N 36.509179°E / 40.765982; 36.509179 (Lycus)	Longest tributary of the Iris
Macra, Latis Maira	Italia 44°50′25″N 7°39′00″E / 44.8403°N 7.65°E / 44.8403; 7.65 (Macra, Latis)
Macra Magra	Italia 44°03′00″N 9°59′00″E / 44.05°N 9.983333°E / 44.05; 9.983333 (Macra)
Margus Velika Morava (Serbia)	Moesia Superior 44°42′42″N 21°02′05″E / 44.711667°N 21.034722°E / 44.711667; 21.034722 (Margus)
Marisus, Marisia Mureş (Maros, Marusza)	Dacia 46°15′06″N 20°11′39″E / 46.251667°N 20.194167°E / 46.251667; 20.194167 (Marisus, Marisia)
Mataurus, Metaurus Metauro	Italia 43°50′00″N 13°03′00″E / 43.833333°N 13.05°E / 43.833333; 13.05 (Mataurus, Metaurus)
Meandrum, Meander Büyük Menderes River	Asia 37°32′24″N 27°10′08″E / 37.54°N 27.168889°E / 37.54; 27.168889 (Meandrum, Meander)
Metaurus Petrace	Italia	River in Calabria region.
Matrona Marne	Gallia 48°48′57″N 2°24′40″E / 48.815833°N 2.411111°E / 48.815833; 2.411111 (Matrona)
Medoacus maior, Brinta Brenta	Italia 45°11′00″N 12°19′00″E / 45.183333°N 12.316667°E / 45.183333; 12.316667 (Medoacus maior, Brinta)
Medoacus minor Bacchiglione	Italia 45°11′00″N 12°13′00″E / 45.183333°N 12.216667°E / 45.183333; 12.216667 (Medoacus minor)
Moënus Main	Germania 45°11′00″N 12°13′00″E / 45.183333°N 12.216667°E / 45.183333; 12.216667 (Moënus)
Minius Minho (Miño)	Hispania 41°52′00″N 8°52′12″W / 41.866667°N 8.87°W / 41.866667; -8.87 (Minius)
Misco Musone	Italia 43°28′00″N 13°38′00″E / 43.466667°N 13.633333°E / 43.466667; 13.633333 (Misco)
Moldavia, Multavia Vltava (Moldau)	Germania Magna 50°20′29″N 14°28′30″E / 50.341389°N 14.475°E / 50.341389; 14.475 (Moldavia, Multavia)
Monda Mondego River	Hispania 40°12′47″N 8°20′41″W / 40.213169°N 8.344792°W / 40.213169; -8.344792 (Monda)
Moravia Morava (Central Europe) (March)	Moesia Superior? 48°10′27″N 16°58′32″E / 48.174167°N 16.975556°E / 48.174167; 16.975556 (Moravia)
Mosa Meuse	Belgica, Gallia? 51°42′54″N 4°40′04″E / 51.715°N 4.6678°E / 51.715; 4.6678 (Mosa)
Mosella Moselle	Belgica, Gallia?, Germania? 50°21′58″N 7°36′25″E / 50.366111°N 7.606944°E / 50.366111; 7.606944 (Mosella)
Murus Mur (Mura)	Germania 46°17′54″N 16°53′09″E / 46.298333°N 16.885833°E / 46.298333; 16.885833 (Murus)
Naparis Ialomița	Dacia? 44°41′54″N 27°51′21″E / 44.698333°N 27.855833°E / 44.698333; 27.855833 (Naparis)
Naro Neretva	Dalmatia? 43°01′17″N 17°26′54″E / 43.021385°N 17.448328°E / 43.021385; 17.448328 (Naro)
Natiso Natisone	Italia, and? 45°56′43″N 13°21′53″E / 45.9453°N 13.3647°E / 45.9453; 13.3647 (Natiso)
Natissis Noteć (Netze)	Germania 52°44′09″N 15°24′20″E / 52.735833°N 15.405556°E / 52.735833; 15.405556 (Natissis)
Nicer Neckar	Germania 49°30′43″N 8°26′14″E / 49.511944°N 8.437222°E / 49.511944; 8.437222 (Nicer)
Nilus Nile	Ægyptus 30°10′00″N 31°09′00″E / 30.166667°N 31.15°E / 30.166667; 31.15 (Nilus)
Nura Nure	Italia 45°03′34″N 9°50′02″E / 45.0595°N 9.834°E / 45.0595; 9.834 (Nura)
Oenus Inn	Germania? 48°34′25″N 13°28′38″E / 48.57353°N 13.47713°E / 48.57353; 13.47713 (Oenus)
Ollius, Olius Oglio	Italia 45°02′40″N 10°39′37″E / 45.044444°N 10.660278°E / 45.044444; 10.660278 (Ollius, Olius)
Oltis Lot	Gallia 44°19′00″N 0°20′06″E / 44.316667°N 0.335°E / 44.316667; 0.335 (Oltis)
Olubria Scrivia	Italia 45°03′20″N 8°54′07″E / 45.0555°N 8.902°E / 45.0555; 8.902 (Olubria)
Orbis Orbe	Gallia?, Germania 46°44′14″N 6°33′47″E / 46.7373°N 6.5631°E / 46.7373; 6.5631 (Orbis)
Ordessos Argeș	Dacia 44°03′33″N 26°37′01″E / 44.059167°N 26.616944°E / 44.059167; 26.616944 (Ordessos)	How different than Argessos?
Orontes Orontes River (Lebanon)	Syria 36°02′43″N 35°57′49″E / 36.045278°N 35.963611°E / 36.045278; 35.963611 (Orontes)
Orgus Orco	Italia 45°11′00″N 7°52′30″E / 45.183333°N 7.875°E / 45.183333; 7.875 (Orgus)
Panticapes Inhul	Sarmatia 46°58′00″N 32°00′00″E / 46.966667°N 32°E / 46.966667; 32 (Panticapes)
Peneus¹ (Elea) Peneus (Ilia), (Pineiós/Peneiós)	Achaea 37°48′19″N 21°14′12″E / 37.805278°N 21.236667°E / 37.805278; 21.236667 (Peneus (Elea))
Peneus¹ (Tempe) Peneus (Tempe), (Pineiós/Peneiós, Salambria)	Achaea 37°48′19″N 21°14′12″E / 37.805278°N 21.236667°E / 37.805278; 21.236667 (Peneus (Tempe))
Padus, Eridanus¹ Po	Italia 44°57′09″N 12°25′55″E / 44.9525°N 12.431944°E / 44.9525; 12.431944 (Padus, Eridanus)
Phrudis Bresle	Gallia 50°03′46″N 1°22′16″E / 50.062778°N 1.371111°E / 50.062778; 1.371111 (Phrudis)
Pisaurus Foglia	Italia 43°55′00″N 12°54′00″E / 43.916667°N 12.9°E / 43.916667; 12.9 (Pisaurus)
Plavis Piave	Italia 45°50′34″N 12°06′18″E / 45.842778°N 12.105°E / 45.842778; 12.105 (Plavis)
Potentia, or Flosis?^[note 1] Potenza	Italia 43°25′00″N 13°40′00″E / 43.416667°N 13.666667°E / 43.416667; 13.666667 (Potentia, or Flosis?)
Pyretus Prut	Sarmatia? or Dacia? 45°28′08″N 28°12′28″E / 45.468889°N 28.207778°E / 45.468889; 28.207778 (Pyretus)
Rhenus Rhine (Rijn, Rhin, Rhein, Reno, Rein)	Germania 51°58′54″N 4°04′50″E / 51.981667°N 4.080556°E / 51.981667; 4.080556 (Rhenus)
Rabon Jiu (Zsil)	Thracia? 43°46′41″N 23°48′48″E / 43.778056°N 23.813333°E / 43.778056; 23.813333 (Rabon)
Rha¹ Volga	Scythia? 45°50′00″N 47°58′00″E / 45.833333°N 47.966667°E / 45.833333; 47.966667 (Rha)
Rhodanus Rhône	Gallia 43°19′51″N 4°50′44″E / 43.330833°N 4.845556°E / 43.330833; 4.845556 (Rhodanus)
Rubico Rubicon (Pisciatello, Fiumicino, Rubicone)	Italia 44°05′35″N 12°23′45″E / 44.093029°N 12.395834°E / 44.093029; 12.395834 (Rubico)
Rura Ruhr	Germania 51°27′03″N 6°43′22″E / 51.450833°N 6.722778°E / 51.450833; 6.722778 (Rura)
Sabatus Sabato	Italia 41°08′00″N 14°45′00″E / 41.133333°N 14.75°E / 41.133333; 14.75 (Sabatus (1))
Sabatus Savuto	Italia 39°02′00″N 16°06′00″E / 39.033333°N 16.1°E / 39.033333; 16.1 (Sabatus (2))
Sabis Sambre	Belgica, Gallia? 50°27′43″N 4°52′15″E / 50.461944°N 4.870833°E / 50.461944; 4.870833 (Sabis)
Sabis Selle	Gallia 49°54′25″N 2°16′50″E / 49.906944°N 2.280556°E / 49.906944; 2.280556 (Sabis)
Sabrina Severn	Brittania 51°27′42″N 2°59′47″W / 51.461700°N 2.996500°W / 51.461700; -2.996500 (Sabrina)	Longest river in Brittania
Sagrus Sangro	Italia 42°14′00″N 14°32′00″E / 42.233333°N 14.533333°E / 42.233333; 14.533333 (Sagrus)
Sala Franconian Saale	Germania? 50°03′21″N 9°41′06″E / 50.055972°N 9.685°E / 50.055972; 9.685 (Sala)	Franconian Saale, a tributary of the Moënus.
Sala Saxon Saale	Germania 50°07′14″N 11°49′50″E / 50.12056°N 11.83056°E / 50.12056; 11.83056 (Sala)	Thurigian Saale, a tributary of the Albis.
Salsum ^[4] Guadajoz	Hispania 37°44′12″N 4°32′05″W / 37.73675°N 4.53476°W / 37.73675; -4.53476 (Salsum)	A tributary of the Bætis.
Samara Somme	Gallia 50°11′12″N 1°38′35″E / 50.1867°N 1.6431°E / 50.1867; 1.6431 (Samara)
Samus Someş (Szamos)	Dacia? 48°06′50″N 22°20′22″E / 48.114°N 22.3394°E / 48.114; 22.3394 (Samus)	A tributary of the Tisia.
Sangarius Sakarya	Asia Minor 41°07′35″N 30°38′56″E / 41.1264°N 30.6489°E / 41.1264; 30.6489 (Sangarius)
Sarius Serio	Italia 45°15′29″N 9°41′37″E / 45.2581°N 9.6936°E / 45.2581; 9.6936 (Sarius)
Sarāvus Saar	Belgica? 49°42′05″N 6°34′11″E / 49.701389°N 6.569722°E / 49.701389; 6.569722 (Sarāvus)	A right tributary of the Mosella
Sargetia Strei	Dacia? 45°51′05″N 23°03′03″E / 45.8514°N 23.0507°E / 45.8514; 23.0507 (Sargetia)
Savus Sava (Száva)	Dalmatia 44°49′27″N 20°26′38″E / 44.824167°N 20.443889°E / 44.824167; 20.443889 (Savus)
Scultenna Panaro (Scoltenna)	Italia 44°55′34″N 11°25′25″E / 44.926°N 11.4237°E / 44.926; 11.4237 (Scultenna)	Right tributary to the Padus.
Secia Secchia	Italia 45°03′45″N 11°00′21″E / 45.0624°N 11.0057°E / 45.0624; 11.0057 (Secia)
Sena, Misus Misa	Italia 43°43′00″N 13°13′00″E / 43.716667°N 13.216667°E / 43.716667; 13.216667 (Sena, Misus)	Mouth is at Sena Gallica, Roman colony that was southernmost point of Hasdrubal Barca drive to relieve Hannibal in the Second Punic War, before the Battle of Metaurus.
Silarus Sillaro	Italia 44°34′43″N 11°52′17″E / 44.5786°N 11.8714°E / 44.5786; 11.8714 (Silarus)
Silarus, Silerus, Siler Sele	Italia 40°29′00″N 14°56′00″E / 40.483333°N 14.933333°E / 40.483333; 14.933333 (Silarus, Silerus, Siler)
Sequana Seine	Gallia 49°26′02″N 0°12′24″E / 49.433889°N 0.206667°E / 49.433889; 0.206667 (Sequana)
Sesites, Sessites Sesia	Italia 45°07′59″N 8°34′24″E / 45.133056°N 8.573333°E / 45.133056; 8.573333 (Sesites, Sessites)
Siris Sinni	Italia 40°09′10″N 16°41′30″E / 40.1529°N 16.6917°E / 40.1529; 16.6917 (Siris)
Spreva Spree	Germania Magna 52°32′10″N 13°12′31″E / 52.536111°N 13.208611°E / 52.536111; 13.208611 (Spreva)
Strymon¹ Struma (Karasu, Strimónis)	Macedonia 40°47′09″N 23°50′56″E / 40.785833°N 23.848889°E / 40.785833; 23.848889 (Strymon)
Stura Stura di Demonte	Italia 44°39′04″N 7°52′52″E / 44.6512°N 7.8812°E / 44.6512; 7.8812 (Stura)
Suasanus Cesano	Italia 43°42′47″N 13°13′06″E / 43.713056°N 13.218333°E / 43.713056; 13.218333 (Suasanus)
Sybaris Coscile	Italia 39°42′11″N 16°27′37″E / 39.703056°N 16.460278°E / 39.703056; 16.460278 (Sybaris)
Tagus Tajo (Tejo, Tagus)	Hispania 40°19′11″N 1°41′51″W / 40.319722°N 1.6975°W / 40.319722; -1.6975 (Tagus)
Tamaca Tâmega	Hispania 41°04′55″N 8°17′35″W / 41.082°N 8.293°W / 41.082; -8.293 (Tamaca)
Tamarus Tammaro	Italia 41°09′00″N 14°50′00″E / 41.15°N 14.833333°E / 41.15; 14.833333 (Tamarus)
Tamesis, Tamesa Thames	Brittania 51°29′56″N 0°36′31″E / 51.4989°N 0.6087°E / 51.4989; 0.6087 (Tamesis, Tamesa)
Tanager Tanagro (Negro)	Italia 40°38′00″N 15°14′00″E / 40.633333°N 15.233333°E / 40.633333; 15.233333 (Tanager)
Tanais Don	Sarmatia? or Scythia? 47°05′11″N 39°14′19″E / 47.086389°N 39.238611°E / 47.086389; 39.238611 (Tanais)
Tanarus Tanaro	Italia 45°00′20″N 8°46′10″E / 45.005556°N 8.769444°E / 45.005556; 8.769444 (Tanarus)
Tarnis Tarn	Gallia 44°05′10″N 1°02′33″E / 44.086111°N 1.0425°E / 44.086111; 1.0425 (Tarnis)
Tarus Taro	Italia 45°00′08″N 10°15′21″E / 45.0022°N 10.2558°E / 45.0022; 10.2558 (Tarus)
Tedanius Zrmanja (Zermagna)	Dalmatia 44°12′06″N 15°35′18″E / 44.2017°N 15.5883°E / 44.2017; 15.5883 (Tedanius)
Tessuinus Tesino	Italia 42°58′42″N 13°52′32″E / 42.978333°N 13.875556°E / 42.978333; 13.875556 (Tessuinus)
Thader Segura	Hispania 38°05′47″N 0°40′32″W / 38.096436°N 0.675658°W / 38.096436; -0.675658 (Thader)
Tiberis, Tiber Tiber (Tevere)	Italia 41°44′26″N 12°14′00″E / 41.7405°N 12.2334°E / 41.7405; 12.2334 (Tiberis, Tiber)
Tibiscus, Tibisis Timiş (Temes, Tamiš)	Moesia Superior? or Dacia? 44°50′53″N 20°38′08″E / 44.84805°N 20.635556°E / 44.84805; 20.635556 (Tibiscus, Tibisis)
Ticinus Ticino (Tessin)	Italia 45°08′38″N 9°14′12″E / 45.143889°N 9.236667°E / 45.143889; 9.236667 (Ticinus)
Tigris Tigris	Parthia/Mesopotamia 38°26′00″N 39°46′22″E / 38.433333°N 39.772778°E / 38.433333; 39.772778 (Tigris)
Timacus Timok	Moesia Superior? 44°12′49″N 22°40′13″E / 44.213611°N 22.670278°E / 44.213611; 22.670278 (Timacus)	A right tributary of the Danube.
Tinna Tenna	Italia 43°14′00″N 13°47′00″E / 43.233333°N 13.783333°E / 43.233333; 13.783333 (Tinna)
Tifernus Biferno	Italia 41°59′00″N 15°02′00″E / 41.983333°N 15.033333°E / 41.983333; 15.033333 (Tifernus)
Tirinus Tirino	Italia?
Tisia Tisza (Tissa, Theiss)	Dacia 45°08′17″N 20°16′39″E / 45.138056°N 20.2775°E / 45.138056; 20.2775 (Tisia)
Titius, Corcoras, Korkoras¹ Krka (Cherca)	Dalmatia 43°43′11″N 15°51′09″E / 43.7198°N 15.8526°E / 43.7198; 15.8526 (Titius, Corcoras, Korkoras)
Tolerus, Trerus Sacco	Italia 41°31′00″N 13°32′00″E / 41.516667°N 13.533333°E / 41.516667; 13.533333 (Tolerus, Trerus)
Trebia Trebbia	Italia 45°04′13″N 9°41′06″E / 45.0702°N 9.6849°E / 45.0702; 9.6849 (Trebia)
Trinius Trigno	Italia 42°04′00″N 14°48′00″E / 42.066667°N 14.8°E / 42.066667; 14.8 (Trinius)
Truentus Tronto	Italia 42°54′00″N 13°55′00″E / 42.9°N 13.916667°E / 42.9; 13.916667 (Truentus)
Tyras Dniester (Dniestr, Nistru)	Sarmatia 46°21′00″N 30°14′00″E / 46.35°N 30.233333°E / 46.35; 30.233333 (Tyras)
Umbro Ombrone	Italia 42°39′31″N 11°00′47″E / 42.658611°N 11.013056°E / 42.658611; 11.013056 (Umbro)
Vacua Vouga	Hispania 40°40′59″N 8°40′01″W / 40.683°N 8.667°W / 40.683; -8.667 (Vacua)
Varta Warta (Warthe)	Germania 52°35′55″N 14°36′37″E / 52.5986°N 14.6103°E / 52.5986; 14.6103 (Varta)	A tributary of the Viadua, and connects to the Vistula by the Natissis and a canal (at least in modern times).
Varus Stura di Lanzo	Italia 45°05′44″N 7°43′29″E / 45.0956°N 7.72472°E / 45.0956; 7.72472 (Varus)
Varus Var	Gallia 43°39′13″N 7°11′59″E / 43.653611°N 7.199722°E / 43.653611; 7.199722 (Varus)
Viadua, Viadrua, Odera Oder (Odra)	Germania 53°40′19″N 14°31′25″E / 53.671944°N 14.523611°E / 53.671944; 14.523611 (Viadua, Viadrua, Odera)
Visurgis Weser	Germania 53°32′08″N 8°33′56″E / 53.535556°N 8.565556°E / 53.535556; 8.565556 (Visurgis)
Vistula Vistula (Wisła, Weichsel)	Germania Magna 54°21′42″N 18°57′07″E / 54.361667°N 18.951944°E / 54.361667; 18.951944 (Vistula)
Volturnus Volturno	Italia 41°05′30″N 14°03′24″E / 41.091667°N 14.056667°E / 41.091667; 14.056667 (Volturnus)
Vomanus Vomano	Italia 42°39′00″N 14°02′00″E / 42.65°N 14.033333°E / 42.65; 14.033333 (Vomanus)