Namesakes
Fictional Characters from Song Titles:
1 character
(character) Clarence 1976 Clarence 
Hall-of-Famers:
2 ice hockey, 1 baseball, 1 basketball, 1 football
(ice hockey) Clarence "Hap" Day 1961
(baseball) Urban Clarence "Red" Faber 1964
(football) Clarence "Ace" Parker 1972
(ice hockey) Woody Dumart (a.k.a. Clarence) 1992
(basketball) Clarence "Fats" Jenkins 2021
Notable Actors and Entertainers:
2 actors
Dub Taylor (a.k.a. Clarence) 1907-1994
Buster Crabbe (a.k.a. Clarence) 1908-1983
Notable Athletes:
1 ice hockey, 1 soccer
(ice hockey) Clarence "Hap" Day 1901-1990
(soccer) Clarence Seedorf 1976-
Notable Businesspeople:
2 businesspersons
Franklin Clarence Mars 1883-1934
Leo Fender (a.k.a. Clarence) 1909-1991
Notable Politicians and Statespeople:
1 politician
Saxby Chambliss (a.k.a. Clarence) 1943-
Notable Scientists and Inventors:
1 inventor
Leo Fender (a.k.a. Clarence) 1909-1991
Olympic Medalists:
3 bronze, 2 silver, 1 bronze/gold, 1 gold, 1 gold/silver/bronze
(bronze) Clarence Childs 1912 hammer throw
(bronze) Darcy Hadfield (a.k.a. Clarence) 1920 rowing
(silver) Clarence Oldfield 1920 4x400 m relay
(bronze) Clarence DeMar 1924 marathon
(gold/silver/bronze) Clarence Pinkston 1920; 1924 diving
(gold) Bud Houser (a.k.a. Clarence) 1924; 1928 discus throw; shot put
(bronze/gold) Buster Crabbe (a.k.a. Clarence) 1928; 1932 swimming - 1500 m freestyle; swimming - 400 m freestyle
(silver) Darrow Hooper (a.k.a. Clarence) 1952 shot put
Rock and Roll Hall-of-Famers:
2 musicians
Fuzzy Haskins (a.k.a. Clarence) 1997 Parliament-Funkadelic
Clarence Collins 2009 Little Anthony and the Imperials