List of Famous people born in Oslo Municipality, Norway

John Ole Voldstad is an American television and film actor best known for his role as one of the brothers Darryl on Newhart. He played "my other brother Darryl", the one with the curlier, lighter colored hair.

Mayhem is a Norwegian black metal band formed in 1984 in Oslo, Norway. They were one of the founders of the Norwegian black metal scene and their music has strongly influenced the black metal genre. Mayhem's early career was highly controversial, primarily due to their notorious live performances, the 1991 suicide of vocalist Per Yngve Ohlin ("Dead") and the 1993 murder of guitarist Øystein Aarseth ("Euronymous") by former member Varg Vikernes of Burzum.

Ellen Helen Nikolaysen is a Norwegian singer/actress. She participated in the Eurovision Song Contest in 1973 as part of the Bendik Singers group with the song It's Just A Game and Eurovision this time as a solo artist in 1975 with Touch My Life With Summer. She won the Best Performance Award at the World Popular Song Festival in Tokyo in 1974 with the entry "You Made Me Feel I Could Fly". In the early 1990s she began a new career as actor in musicals on Norwegian theatre stages.

Ole Daniel Enersen is a Norwegian climber, photographer, journalist, writer, and medical historian.

Johan Vincent Galtung is a Norwegian sociologist, and the principal founder of the discipline of peace and conflict studies.

Caroline "Dina" Lillian Kongerud, is a Norwegian pop/trance artist. She released one album and seven singles in the early 2000s, several of which were hits. Her first single topped the Norwegian record chart and was later re-released in Swedish and English.