Namesakes
Fictional Characters from Television:
1 character
John Hagen 2002 CSI: Miami 
Notable Actors and Entertainers:
1 actor
Nina Hagen 1955-
Notable Athletes:
1 golf
(golf) Walter Hagen 1892-1969
Notable Musicians:
1 singer
Nina Hagen 1955-
Olympic Medalists:
1 silver/gold
(silver/gold) Oddbjørn Hagen 1936 cross-country skiing; Nordic combined