A banker provides financial banking services and typically works in a bank. The word may also refer to:
- Banker (ancient), a person providing financial services in ancient Greece and Rome
- Banker (surname), a surname
- Bank engine or helper engine, a locomotive that helps other engines up steep hills
- Bankers (train), American passenger train
- The Banker, an international financial affairs publication
- The Banker (Deal or No Deal UK), the antagonist on the British game show Deal or No Deal
- "The Banker" (The Office), an episode of the sixth season of the American television show The Office
- The Bankers, 1975 book by Martin Mayer
- The Banker (2015 film), a Nigerian drama film
- The Banker (2020 film), an American drama film
- Banker (horse), an Australian racehorse, winner of the 1863 Melbourne Cup
- Banker (card player), the player who controls the play in a gambling game
- The Banker (TV series), a 2019 South Korean television series