Namesakes
Fictional Characters from Television:
1 villain
John Greer 2011 Person of Interest 
Hall-of-Famers:
1 basketball
(basketball) Hal Greer 1981
Notable Actors and Entertainers:
2 actors
Dabbs Greer 1917-2007
Judy Greer 1975-
Notable Athletes:
1 basketball
(basketball) Hal Greer 1936-2018
Notable Writers:
1 author
Germaine Greer 1939-