21 (disambiguation)
21 or twenty-one stands for:
- 21 ( year)
- 21 BC ( year)
- 21 ( Adele album ), Album by Adele of 2011
- 21 ( Rage album ), Music album Rage 2012
- 21 (film), film directed by Robert Luketic 2008
- 21 number code for the motorcycle club Blue Angels MC
- Twenty-one ( quiz ), TV quiz
- Seventeen and four, card game
See also:
- Disambiguation