Namesakes
Fictional Characters from Television:
1 character
Piper Chapman 2013 Orange Is the New Black 
Grammy Award Winners:
1 best new artist
(best new artist) Tracy Chapman 1989
Notable Actors and Entertainers:
3 actors, 1 comedian/actor
Graham Chapman 1941-1989
Kevin Chapman 1962-
Lanei Chapman 1973-
Dean-Charles Chapman 1997-
Notable Evildoers:
1 murderer
Mark David Chapman 1955-
Notable Musicians:
1 musician
Tracy Chapman 1964-
Olympic Medalists:
3 silver, 2 bronze
(silver) Chuck Chapman 1936 basketball
(silver) Art Chapman 1936 basketball
(bronze) Gary Chapman 1956 swimming - 100 m freestyle
(silver) James Chapman 2012 rowing
(bronze) Candace Chapman 2012 football