Ace, Aces, ACE or ACES may refer to:
- Flying ace, a military pilot who has shot down five or more enemy aircraft in air combat
- Ace (Doctor Who), a character in the Doctor Who television series
- Ace Frehley (born 1951), rock and roll guitarist and former member of the rock band Kiss
- Ace, a slang term for asexuality
- Ace (card), a card in a pack of playing cards.
