57

57 may refer to:
 * 57 (number)
 * one of the years 57 BC, AD 57, 1857, 1957, 2057
 * "57" (song), a song by Biffy Clyro
 * "Fifty Seven", a song by Karma to Burn from the album Arch Stanton, 2014
 * "57" (album), a studio album by Klaus Major Heuser Band in 2014
 * "57 Live" (album), a live double-album by Klaus Major Heuser Band in 2015
 * Heinz 57 (varieties), a former advertising slogan
 * Maybach 57, an ultra-luxury car
 * American Base Hospital No. 57
 * Swift Current 57's, baseball team in the Western Canadian Baseball League
 * FN Five-Seven, a semi-automatic pistol
 * 57 Mnemosyne, a main-belt asteroid
 * Tatra 57, a compact car