Gilligan is a surname, and may refer to:
Amy "Sister" Archer-Gilligan, poisoner
Andrew Gilligan, British journalist
Carol Gilligan, American feminist ethicist and psychologist
Harold Gilligan and Arthur Gilligan, English cricketers
James Gilligan, American psychiatrist and author
Jim Gilligan (born 1946), American college baseball coach
Jimmy Gilligan, former English footballer
John J. Gilligan, Ohio governor (1971–1975)
Ruth Gilligan (born 1988), Irish writer and actress
Ryan Gilligan, English footballer
Shannon Gilligan, author of interactive fiction and computer games
Thomas W. Gilligan, dean of the McCombs School of Business at the University of Texas—Austin
Tim Gilligan, American football player
Tom Gilligan (footballer, born 1978), Australian footballer
Vince Gilligan, television writer
Fictional characters named Gilligan include:
Willy Gilligan, a fictional character in the TV series Gilligan's Island
