50

50 may refer to:
 * 50 (number)
 * one of the following years 50 BC, AD 50, 1950, 2050
 * .50 BMG, a heavy machine gun cartridge also used in sniper rifles
 * .50 Action Express, a large pistol cartridge commonly used in the Desert Eagle
 * .50 GI, a wildcat pistol cartridge
 * .50 Beowulf, a powerful rifle cartridge used in the AR-15 platform
 * .50 Alaskan, a wildcat rifle cartridge
 * 50 Cent, an American rapper
 * Labatt 50, a Canadian beer
 * Fifty (film), a 2015 film
 * "The Fifty", a group of fifty airmen murdered by the Gestapo after The Great Escape in World War II
 * 50 (album), a 2016 album by singer Rick Astley
 * Benjamin Yeaten, widely known by his radio call sign "50", a Liberian military and mercenary leader
 * "Fifty", a song by Karma to Burn from the album V, 2011
 * 50 Virginia, a main-belt asteroid
 * Audi 50, a supermini hatchback
 * Dodge Ram 50, a compact pickup truck sold in the United States as a rebadged Mitsubishi Triton