Assassin may refer to:
Works titled Assassin or Assassins include:
- Assassin, a live-action role-playing game in which players "assassinate" each other with imitation weaponry.
- Assassin, a computer game by Team 17.
- The Assassin, also known as Point of No Return, is the American remake of the French film Nikita (also known as La Femme Nikita).
- "The Assassin", a song by the British heavy metal group Iron Maiden, from their 1990 album No Prayer for the Dying.
- Assassins, a 1991 musical by Stephen Sondheim and John Weidman.
- Assassins, a 1995 film written by the Wachowski brothers and directed by Richard Donner, starring Sylvester Stallone, Antonio Banderas and Julianne Moore.
- Assassins, the sixth book of the Left Behind series writteb by Jerry B. Jenkins and Tim Lahaye.