The word Assassin may refer to:

• Assassin - Those who carry out assassination and their history.
• Assassins - a Muslim sect.
• Assassin - Live action role playing game.
• Assassins is a musical by Stephen Sondheim.
• Assassin - a character class found in many role-playing games.
• Assassin is also a character in Soul Calibur 2, an arcade and video game.