List of Famous people who born in 1923

Joseph Heller was an American author of novels, short stories, plays, and screenplays. His best-known work is the 1961 novel Catch-22, a satire on war and bureaucracy, whose title has become a synonym for an absurd or contradictory choice.

Sir Francis Graham-Smith is a British astronomer. He was the thirteenth Astronomer Royal from 1982 to 1990 and was knighted in 1986.

Jacob "Jaap" Korevaar is a Dutch mathematician. He was part of the faculty of the University of California San Diego and University of Wisconsin–Madison, as well as the University of Amsterdam.

The Most Reverend Ján Hirka was a bishop of the Slovak Greek Catholic Church.

Horace Ashenfelter III was an American athlete. He competed in international athletics from 1947 to 1956. During his career he won fifteen national AAU titles and three collegiate national titles.