Edmondson is a patronymic surname meaning "son of Edmond". There are varied spellings, including Edmonson. It is uncommon as a given name. People with the surname Edmondson include:
Ade Edmondson (born 1957), British comedian, actor, writer, musician, television presenter and director
Beattie Edmondson (born 1987), English actress
David Edmondson
Donna Edmondson
Douglas Edmondson
Drew Edmondson
Ed Edmondson (chess official)
Ed Edmondson (U.S. politician)
Ella Edmondson (born 1986), English musician
Frank K. Edmondson
G. C. Edmondson, working name of science fiction author Garry Edmonson (1922-1995)
J. Howard Edmondson
James E. Edmondson
Jerold A. Edmondson, Professor Emeritus of Linguistics at the University of Texas at Arlington
John Hurst Edmondson
Mark Edmondson
Mark Edmondson (rugby league footballer)
Matt Edmondson (born 1985), British television and radio presenter
Paul Edmondson
Thomas William Edmondson, mathematician
Thomas Edmondson, inventor of the Edmondson railway ticket
William Edmondson (disambiguation), multiple people
Fictional characters:
Margaret Edmonson, in the television series Battlestar Galactica