Namesakes
Notable Actors and Actresses:
2 actresses, 1 actor
Leslie Nielsen 1926-2010 
Brigitte Nielsen 1963-
Connie Nielsen 1965-
Notable Writers:
1 author
Aksel Sandemose (a.k.a. Nielsen) 1899-1965
Olympic Medalists:
3 bronze, 1 gold, 1 silver
(gold) Ingar Nielsen 1920; 1924 sailing
(bronze) Børge Raahauge Nielsen 1948 rowing
(bronze) Peer Nielsen 1964 canoe sprint
(silver) Benny Nielsen 1988 swimming - 200 m butterfly
(bronze) Joachim Fischer Nielsen 2012 badminton mixed doubles