Number 13 can refer to:

• 13 (number)
• Number 13 (comics) a comic strip in The Beano
• Number 13 (1922 film), a film by Alfred Hitchcock and starring Ernest Thesiger which was shot but never completed and is believed to be lost
• "Number 13" (2006 film), an adaptation of the M. R. James ghost story
• Number 13-class battleship
• "Number 13" (short story), by M. R. James
• "Number Thirteen", a song by Red Fang from the album Murder the Mountains

• 13 (disambiguation)
• XIII (disambiguation)

This disambiguation page lists articles associated with the title Number 13.
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