Fictional Characters from Television: 1 character
Harry Klein   1969; 1974   Der Kommissar; Derrick  
Hall-of-Famers: 1 baseball
(baseball) Chuck Klein   1980  
Most Valuable Players: 1 winner
Chuck Klein   1932   baseball  
Nobel Prize Winners: 1 economics
(economics) Lawrence Klein   1980  
Notable Activists and Revolutionaries: 1 activist
(activist) Naomi Klein   1970-  
Notable Actors and Entertainers: 1 actor, 1 actor/comedian, 1 actor/model
Robert Klein   1942-  
Barbi Benton (a.k.a. Klein)   1950-  
Chris Klein   1979-  
Notable Artists: 1 artist, 1 fashion designer
Yves Klein   1928-1962  
Calvin Klein   1942-  
Notable Athletes: 1 soccer
(soccer) Florian Klein   1986-  
Notable Musicians: 1 singer
Dani Klein   1953-  
Notable Writers: 1 author
Naomi Klein   1970-  
Olympic Medalists: 2 silver, 1 bronze, 1 bronze/gold, 1 bronze/silver, 1 gold
(bronze/gold) Roelof Klein   1900   rowing  
(bronze) Herbert Klein   1952   swimming - 200 m breaststroke  
(silver) Helga Klein   1952   4x100 m relay  
(bronze/silver) Hans-Joachim Klein   1964   swimming - 100 m freestyle; swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay; swimming - 4x200 m freestyle relay  
(gold) Noeki Klein   2008   water polo  
(silver) Sascha Klein   2008   diving