45
# 45

45 may refer to:

* 45 (number)
* one of the years 45 BC, AD 45, 1945, 2045

## Film

* 45 (film), directed by Peter Coster (2009)
* .45 (film), directed by Gary Lennon (2006)

## Music

* 45 (Jaguares album), 2008
* 45 (Kino album), 1982
* "45" (Bon Iver song), 2016
* "45" (The Gaslight Anthem song), 2012
* "45" (Shinedown song), 2003
* "45" (Elvis Costello song), 2002
* "Forty Five", a song by Karma to Burn from the album Appalachian Incantation, 2010
* 45 rpm record or 45, a common form of vinyl single

## Other uses

* Donald Trump, the 45th President of the United States, with the nickname "45"
* 45 (book), written by Bill Drummond
* .45 caliber, a family of firearm cartridges
   * A nickname for a handgun chambered in .45 caliber, such as the M1911 pistol or Colt Single Action Army
   * .45 ACP, pistol cartridge
   * .45 Colt, revolver cartridge
* Jacobite rising of 1745 or "The '45", in the United Kingdom
* Forty-fives, a card game
* 'The 45%', collective term used by Scottish independence campaigners (after ratio of support in 2014 referendum)
* Fortyfive, a software development company
