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Black Ninja may refer to:

• Cocoa Samoa, (1945–2007), American Samoan professional wrestler who used the ring name "Black Ninja"
• Kazuo Sakurada, (1948–2020), Japanese professional wrestler who used the ring name "Black Ninja"
• Keiji Muto (born 1962), Japanese professional wrestler who used the ring name "Black Ninja"
• Tori (wrestler), (born 1964), American bodybuilder and wrestler who used the ring name "Black Ninja"

• The Black Ninja, a 2003 American martial arts film
• Black Ninjas, fictional characters in the video game Destroy All Humans! 2
• Cole (Ninjago), also known as the "Black Ninja", a fictional character in the animated television series Ninjago

• White Ninja (disambiguation)