Grogan is a surname. Originally from county Roscommon, Connaught in Ireland. The Irish version is, O'Grugain.
Notable people with the surname include:
Benjamin Grogan, FBI agent killed in the 1986 FBI Miami shootout
Clare Grogan (born 1962), Scottish actress and singer
Clem Grogan (born 1951), actual name Steve Dennis Grogan, an American murderer and former member of the Manson Family
Cornelius Grogan (1738?–1798), a member of the Society of United Irishmen
David Grogan (1914–1993), British water polo player
Emmett Grogan (1943–1978), founder of the hippie group the Diggers
Ewart Grogan (1874–1967), British explorer of Africa, prominent Kenyan businessman
George Grogan (1875–1962), recipient of the Victoria Cross
James Grogan (1931–2000), American figure skater
John Grogan (UK politician), British politician
John Grogan (journalist) (born 1957), American journalist
Kevin Grogan (born 1981), Irish football player
Liz Grogan, Canadian television host
Nathaniel Grogan (1740–1807), Irish illustrator
Steve Grogan (born 1953), American football player
