Greer is a surname. Notable people with the surname include:
Andrew Sean Greer, American novelist
Billy Greer, bassist
Bonnie Greer, American playwright and critic
Breaux Greer, American javelin thrower
Dabbs Greer, American actor
David Greer, British physicist and programmer
David Hummell Greer, Episcopal Bishop of New York
George Greer, American judge, presided over the Terri Schiavo case)
Germaine Greer, feminist writer, activist and academic
Gordon Greer, Scottish footballer
Hal Greer, American basketball player
Herschel Lynn Greer, American businessman from Nashville, Tennessee
Jabari Greer, American football player
James A. Greer, American naval officer
James Greer, American novelist and screenwriter
Jane Greer, American actress
Jim and Emily Greer, co-creators of Kongregate
John Greer (disambiguation)
Judy Greer, American actress
Ken Greer, Canadian musician
Lynn Greer, American basketball player
Michael Greer, American actor and comedian
Miyu Greer, fictional character in My-HiME
Ricardo Greer, Dominican American basketball player
Robin Greer, American actress
Rusty Greer, baseball player
Sonny Greer, American jazz drummer
Steven M. Greer, physician and ufologist
Stuart Greer, American actor
William Greer, American presidential bodyguard