Scanlan is a surname. Notable people with the surname include:
Fred Scanlan, Canadian ice hockey player
J.O.(Seán) Scanlan, Irish Academic Electronic Engineer, pioneer in Circuits & Systems Theory
Jerry Scanlan
Joanna Scanlan, English actress and television writer
John Joseph Scanlan, second Bishop of the Roman Catholic Diocese of Honolulu
Joseph L. Scanlan, television director
Luke Scanlan, American politician and farmer
Michael Scanlan (1931-2017), American Roman Catholic priest
Neal Scanlan, special effects artist
Reggie Scanlan, bass guitar player from New Orleans, Louisiana
Robert Richard Scanlan, Irish painter
Thomas Scanlan
Toni Scanlan
Tuna Scanlan, Samoan/New Zealander boxer of the 1950s and '60s
Wm. J. Scanlan, musical theatre performer and composer
Emmett J. Scanlan, Irish actor
Fictional characters:
Mike Scanlan, a character in Arthur Conan Doyle's The Valley of Fear