Glynn is a surname. Notable people with the surname include:
Bill Glynn (1925–2013), Major League Baseball playerBrian Glynn (born 1967), retired National Hockey League playerCamillus Glynn (born 1941), Irish politicianCarlin Glynn (born 1940), American actressDerek Glynn (born 1983), Irish footballerDominic Glynn (born 1960), British composerEleanor Glynn (born 1986), British modelGene Glynn, American baseball player and coachHenry Richard Glynn (1768-1856), British admiralIan Glynn (born 1928), British biologistJames Glynn (1800–1871), U.S. Navy officerJames P. Glynn (1867-1930), U.S. congressman from ConnecticutJeanne Glynn (1932-2007), television screenwriterJohn Glynn (1722–1779), English lawyer and Member of ParliamentMartin H. Glynn (1871-1924), American politicianPaddy Glynn (1855-1931), Australian Attorney GeneralPaul Glynn (born 1928), Australian priest