Thomas or Tom O'Hara may refer to: Thomas O'Hara (politician) (1911–1984), Irish politician, merchant and auctioneer Tom O'Hara (runner) (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 footballer