3 Ninjas may refer to:

• 3 Ninjas (film series), a series of films about three brothers who know ninjutsu

• 3 Ninjas (film), a 1992 martial arts film

• 3 Ninjas Kick Back, a 1994 film

• 3 Ninjas Knuckle Up, a 1995 film

• 3 Ninjas: High Noon at Mega Mountain, a 1998 film

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