Glynn is a surname. Notable people with the surname include:
Bill Glynn (1925–2013), Major League Baseball player
Brian Glynn (born 1967), retired National Hockey League player
Camillus Glynn (born 1941), Irish politician
Carlin Glynn (born 1940), American actress
Derek Glynn (born 1983), Irish footballer
Dominic Glynn (born 1960), British composer
Eleanor Glynn (born 1986), British model
Gene Glynn, American baseball player and coach
Henry Richard Glynn (1768-1856), British admiral
Ian Glynn (born 1928), British biologist
James Glynn (1800–1871), U.S. Navy officer
James P. Glynn (1867-1930), U.S. congressman from Connecticut
Jeanne Glynn (1932-2007), television screenwriter
John Glynn (1722–1779), English lawyer and Member of Parliament
Martin H. Glynn (1871-1924), American politician
Paddy Glynn (1855-1931), Australian Attorney General
Paul Glynn (born 1928), Australian priest
