Thomas or Tom Gill may refer to:
- Thomas Gill (1788âÂÂ1861), British Whig politician and industrialist
- Thomas Gill (architect) (1870âÂÂ1941), American architect
- Thomas Gill (footballer) (born 1965), Norwegian football goalkeeper
- Thomas Gill (politician) (1922âÂÂ2009), U.S. Representative from Hawaii, Lieutenant Governor of Hawaii
- Thomas Andrew Gill (1886âÂÂ1947), American football and baseball player, coach of football, basketball, and baseball
- Thomas Edward Gill (1908âÂÂ1973), American Roman Catholic bishop
- Tom Gill (actor) (1916âÂÂ1971), British actor
- Tom Gill (anthropologist) (born 1960), Japan-based social anthropologist
- Tom Gill (artist) (1913âÂÂ2005), cartoonist and comic book artist best known for The Lone Ranger
- Tom Gill (public servant) (1849âÂÂ1923), Under-Treasurer in South Australia
- Tom Gill (writer) (1891âÂÂ1972), American forester, fiction and non-fiction author, and editor of psychiatry journal
- T. P. Gill (1858âÂÂ1931), Irish politician
- Frank Gill (politician) (Thomas Francis Gill, 1917âÂÂ1982), New Zealand air force pilot and politician
- Harry Gill (politician) (Thomas Harry Gill, 1885âÂÂ1955), British politician