Thomas Chalmers was a Scottish divine and a leader of the Free Church of Scotland.
Thomas Chalmers is also the name of:
Thomas Chalmers (rugby) (1850–1926), Scottish rugby player Thomas A. Chalmers, for whom the Szilard–Chalmers effect is named Dr. Thomas C. Chalmers (1917–1995), proponent of the randomized controlled trial and meta-analysis Tom Chalmers of Darwin Press Thomas Chalmers Harbaugh (1849–1924), poet and novelist Thomas Chalmers Vint (1894–1967), landscape architect Thomas Hardie Chalmers (1884–1966), American opera singer, actor, and filmmaker Tommy Chalmers (1883–1918), Scottish footballer