List of Famous people who are 81

Joseph Unger is an American actor who has starred in many films and on television. He is best known for his role in Wes Craven's 1984 horror hit film A Nightmare on Elm Street as Sgt. Garcia, and as one of Leatherface's brothers, the hook handed Tinker, who appears in Leatherface: The Texas Chainsaw Massacre III (1990).

John Irvin is an English film director. Born in Newcastle upon Tyne, Northumberland, he began his career by directing a number of documentaries and television works, including the BBC adaptation of John le Carré's Tinker Tailor Soldier Spy. He made several Hollywood films in the 1980s, including The Dogs of War (1980), Ghost Story (1981) and Hamburger Hill (1987).

John Huston Ricard, S.S.J. is an American prelate of the Catholic Church. He served as bishop of the Diocese of Pensacola-Tallahassee in Florida from 1997 to 2011 and as an auxiliary bishop of the Archdiocese of Baltimore in Maryland from 1984 to 1997.

Clément M. Côté was a Progressive Conservative party member of the House of Commons of Canada. He was a sales manager by career.

Camilio Lorenzo Iglesias was a Spanish Catholic bishop.

William David Arnett is a Regents Professor of Astrophysics at Steward Observatory, University of Arizona, known for his research on supernova explosions, the formation of neutron stars or black holes by gravitational collapse, and the synthesis of elements in stars; he is author of the monograph Supernovae and Nucleosynthesis which deals with these topics. Arnett pioneered the application of supercomputers to astrophysical problems, including neutrino radiation hydrodynamics, nuclear reaction networks, instabilities and explosions, supernova light curves, and turbulent convective flow in two and three dimensions.

William Cheung or Cheung Cheuk Hing, born October, 1940, is a Hong Kong Wing Chun kung fu practitioner and currently the Grandmaster of his lineage of Wing Chun, entitled Traditional Wing Chun (TWC). He also heads the sanctioning body of TWC, the Global Traditional Wing Chun Kung Fu Association (GTWCKFA). Cheung is responsible for introducing Bruce Lee to his master Ip Man when they were teenagers in Hong Kong.