The Beast is a nickname which may refer to:
Calvin Abueva (born 1988), Filipino basketball player
Adebayo Akinfenwa (born 1982), English football player
Júlio Baptista (born 1981), Brazilian football player
Yohan Blake (born 1989), Jamaican sprinter
Aleister Crowley (born 1875), English occultist, ceremonial magician, poet, painter, novelist, and mountaineer
Jimmie Foxx (1907–1967), American Major League Baseball player, member of the Hall of Fame
Kevin Iro (born 1968), New Zealand rugby league footballer
Brian Jensen (footballer born 1975), Danish footballer
Mark Labbett (born 1965), British television personality on the game show The Chase
Brock Lesnar (born 1977), professional wrestler
Hildegard Mende (born 1922), German World War II concentration camp guard
Max Mirnyi (born 1977), professional tennis player from Belarus
Tendai Mtawarira (born 1985), Zimbabwean-born South Africa rugby player
John Mugabi (born 1960), Ugandan retired middleweight boxer and world junior middleweight champion
Miguel Ángel Nadal (born 1966), Spanish retired footballer
Sretko Kalinić (born 1974), Serbian criminal
Jon Parkin (born 1981), English football player
Shang Ping (born 1984), first Chinese basketball player to join a Euroleague club
Daigo Umehara (born 1981), Japanese arcade fighting video game player
Manu Vatuvei (born 1986), New Zealand rugby league footballer
Gustav Wagner (1911–1980), Austrian SS-Oberscharführer at Sobibór extermination camp, "The Beast"