Thirteen can refer to:
- Thirteen (2003), the 2003 film written by a young Nikki Reed.
- 13, a 2010 English-language remake of 13 Tzameti.
- The 1974 Shaw Brothers action film.
- 13, the 2007 musical about a group of thirteen thirteen-year-olds featuring thirteen songs.
- Thirteen (2016), the 2016 British Drama Series about a 26 year old who escapes after being held captive in a cellar since the age of thirteen.
- 13th, a movie.
- Black Man, known by the US title as Thirteen, a sci-fi novel by Richard K. Morgan.
- The trope 13 Is Unlucky.
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