Big Bob may refer to:
People Robert Brady (criminal) (1904–1934), American bank robber "Big Bob" Carlisle, a regular audience member of the British show Al Murray's Happy Hour Bob Hazell (born 1959), Jamaican-born former footballer in the English Football League Bob Isbister (1885–1963), Canadian football player Bob Johnson (Australian footballer, born 1935) (1935–2001), Australian rules footballer Bob Lee (baseball) (1937–2020), American Major League Baseball pitcher Bob McLean (Australian footballer) (1914–1989), Australian rules footballer Robert Middleton (1911–1977), American actor Big Bob Windham, a ring name, along with Blackjack Mulligan, for professional wrestler Robert Windham (1942–2016)
Fictional characters Robert "Big Bob" Belcher, Sr., a character in the animated television series Bob's Burgers Robert "Big Bob" Gupt, a character in the British soap opera Hollyoaks Bob "Big Bob" O'Hara, a character in the Scottish soap opera River City "Big Bob" Joylove, in the British sketch show Harry Enfield & Chums Robert "Big Bob" Pataki, a character in the animated television series Hey Arnold! Robert "Big Bob" Paulson, in the novel Fight Club and the film adaptation Big Bob, in the children's stories Bobobobs
Other uses Big Bob, a sandwich offered by Brazilian fast food chain Bob's Big Bob, an outflow channel of Sturgeon Lake (Ontario), Canada Big Bob Lake, a lake in Ontario Big Bob, a 1954 novel by Georges Simenon "Big Bob", a season 3 episode of Rob & Big "Big Bob", a song by Bill Frisell from the 1999 album Ghost Town Big Bob, the 1962 and 1963 winner of the Lee Steere Stakes Australian Thoroughbred horse race Big Bob, name sometimes used to refer to the Bob Semple tank Big Bob, the cannon used in Paper Mario: The Thousand-Year Door