Theodore Lyman may refer to:
- Theodore B. Lyman (1815–1893), American bishop
- Theodore Lyman II (1792–1849), American philanthropist, politician, and author
- Theodore Lyman III (1833–1897), American natural scientist, military staff officer, and politician
- Theodore Lyman IV (1874–1954), American physicist
This page was last edited on 13 December 2021, at 08:40