List of Famous people who born in 1931

Kenneth Merwin Curtis is an American attorney, Democratic politician, and diplomat. He was the Maine Secretary of State from 1965-1966, the Governor of Maine from 1966-1974, and the United States Ambassador to Canada from 1979 to 1981. Curtis is a member of the Democratic Party and is currently Of Counsel at the Curtis Thaxter law firm in Portland, Maine, which he founded in 1975.

Adrianus Voorting was a road bicycle and track cyclist from the Netherlands, who represented his native country at the 1952 Summer Olympics in Helsinki, Finland. There he was eliminated in the quarterfinals of the men's 4,000 m team pursuit, alongside Jan Plantaz, Daan de Groot and Jules Maenen. In the individual road race Voorting ended up in 49th place.

Brian Birch was an English footballer who played for several English clubs in the late 1940s, 1950s and early 1960s.

Philip Baker Hall is an American actor. Although known primarily as a prolific character actor, Hall has played leading roles in films, including Secret Honor, Hard Eight and Duck. He is known for his supporting roles in films, Say Anything... (1989), Boogie Nights (1997), The Truman Show (1998), Magnolia (1999), The Talented Mr. Ripley (1999), The Insider (1999), The Contender (2000), Zodiac (2007) and Argo (2012).

Robert Lee Williams was an American professional basketball player. He played in the National Basketball Association for the Minneapolis Lakers during the 1955–56 season and part of the 1956–57 season. Williams was the Lakers franchise's first black player.

Aécio de Borba Vasconcelos was a Brazilian politician who served as a Deputy from 1983 to 1995 and 1997–1998.

William de Clerq Reynolds is a retired American actor. He is best known for his role as Special Agent Tom Colby in the 1960s television series The F.B.I. and his film and TV roles during the 1950s through the 1970s.

Stephen Young is a Canadian actor.