Thomas O'Hara

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