Namesakes
Eurovision Song Contest Winners:
2 winners
Jørgen Olsen 2000 Denmark 
Niels "Noller" Olsen 2000 Denmark
Fictional Characters from Books:
1 character
Jimmy Olsen 1941 Superman
Hall-of-Famers:
1 football
(football) Merlin Olsen 1982
Notable Actors and Entertainers:
4 actors, 1 model
Eric Christian Olsen 1977-
Ambrose Olsen 1985-2010
Ashley Olsen 1986-
Mary-Kate Olsen 1986-
Elizabeth Olsen 1989-
Notable Athletes:
1 football, 1 soccer
(football) Merlin Olsen 1940-2010
(soccer) Robin Olsen 1990-
Notable Musicians:
2 singers
Jørgen Olsen 1950-
Niels "Noller" Olsen 1954-
Olympic Medalists:
2 bronze, 1 bronze/gold, 1 silver/bronze
(bronze) Halfdan Gran Olsen 1948 rowing
(silver/bronze) Zoe Ann Olsen-Jensen 1948; 1952 diving - springboard
(bronze/gold) Jon Olsen 1992; 1996 swimming - 4x100 m medley relay; swimming - 4x200 m freestyle relay; swimming - 4x100 m freestyle relay
(bronze) Joachim Olsen 2004 shot put