Tom Cahill

Tom or Thomas Cahill may refer to:


 * Tom Cahill (American football) (1919–1992), American football coach at Army, 1966–1973
 * Tom Cahill (Australian politician) (1924–1983), member of New South Wales Legislative Assembly
 * Tom Cahill (baseball) (1868–1894), American Major League Baseball player
 * Tom Cahill (footballer, born 1931) (1931–2003), Scottish footballer
 * Tom Cahill (footballer, born 1986), English footballer
 * Tom Cahill (playwright) (1929–2006), Canadian playwright, songwriter, and television producer
 * Thomas Cahill (1940–2022), American scholar and writer
 * Thomas Cahill (soccer) (1864–1951), American athlete, coach and businessman; a founding father of American soccer
 * Thomas J. Cahill (1910–2002), chief of police in San Francisco, California, 1958–1970
 * Thomas Cahill (bishop) (1913–1978), Australian archbishop of Canberra – Goulburn