Thomas O'Hara (disambiguation)

Thomas O'Hara (1911–1984) was an Irish politician, merchant and auctioneer.

Thomas or Tom O'Hara may also refer to:


 * Tom O'Hara (1942–2019), American runner
 * Thomas J. O'Hara (born 1949), American Catholic priest
 * Tom O'Hara (baseball) (1880–1954), American outfielder in Major League Baseball
 * Tom O'Hara, character in The 13th Man
 * Tommy O'Hara (1952–2016), Scottish former footballer