Theodore Thomas may refer to:
T. Gaillard Thomas (1832–1903), American gynecologist Theodore Thomas (conductor) (1835–1905), American violinist and conductor Theodore L. Thomas (1920–2005), American science fiction writer Theodore M. Thomas (1870–?), American lawyer and politician in Wisconsin Theodore Thomas (alderman) (born 1969), American politician, Chicago alderman Theodore Thomas (filmmaker), American film director and producer
See also Ted Thomas (disambiguation)