45 may refer to: * 45 (number) * one of the years 45 BC, AD 45, 1945, 2045

Film

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

Music

*45 (Jaguares album), ''45'' (Jaguares album), 2008 *45 (Kino album), ''45'' (Kino album), 1982 *45 (Bon Iver song), "45" (Bon Iver song), 2016 *45 (The Gaslight Anthem song), "45" (The Gaslight Anthem song), 2012 *45 (Shinedown song), "45" (Shinedown song), 2003 *45 (Elvis Costello song), "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), ''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 {{Numberdis