Sun Tzu (disambiguation)
Sun Tzu or Sunzi (fl 6th century BC), was a Chinese military general, strategist, and philosopher credited as the author of The Art of War.

Sun Tzu may also refer to:

 Sun Bin (fl. 4th century BC), Sun Wu's alleged descendant who wrote Sun Bin's Art of War for Qi
 Sun Tzu or Sunzi (fl. 4th century AD), mathematician, author of Sunzi Suanjing
 Sun Tzu chess, a variation of dark chess
 Sun Tzu War on Business, a Singaporean reality show