Scully is a surname from Gaelic name Ó Scolaidhe, which means "student".

Notable people with the surname include:

• Carl Scully, Australian politician
• Cornelius D. Scully, American politician, mayor of Pittsburgh
• Frank Scully, American journalist and UFO author
• Frank Scully (politician), Australian politician
• Gary Scully (1933–2011), Australian journalist and foreign correspondent
• Hugh Scully, British TV presenter
• James Scully (disambiguation), several people
• John Scully (journalist), Canadian journalist (BBC, CBC, TVNZ), author of Am I Dead Yet? a journalist's perspective on terror
• Iceman John Scully, John "Iceman" Scully, American professional boxer
• Marlan Scully, American physicist
• Matthew Scully, American journalist and speechwriter
• Maurice Scully, Irish poet
• Mike Scully, American television producer
• Pat Scully, Irish football player and manager
• Paul Scully, British Conservative Party politician, Member of Parliament
• Paul Scully (Australian politician), NSW Labor party politician
• Peter Scully, Australian criminal
• Reina Scully, Japanese-American YouTuber
• Robert Scully (footballer), Malaysian soccer player and coach
• Rock Scully (1941–2014), American manager of the Grateful Dead
• Samantha Scully, American actress
• Sean Scully, Irish-American painter
• Sean Scully (actor), Australian actor
• Steve Scully, American journalist
• Terry Scully, British actor
• Thomas A. Scully, American healthcare administrator
• Thomas J. Scully, U.S. Congressmen for the state of New Jersey
• Tim Scully, American computer engineer and LSD producer
• Vin Scully, American sportscaster
• Vincent Scully (1920–2017), American architectural history professor and writer
• Vincent Scully (MP) (1810–1871), Irish politician
• William Scully (disambiguation), several people

• Dana Scully, on the American TV series The X-Files
• Felicity Scully, on the Australian soap opera Neighbours
• Francis Scully, title character of Scully, a British television programme broadcast on Channel 4
• Jack Scully, on Neighbours
• Sgt. Jack Scully, a recurring character on the American TV series M*A*S*H
• Jake Scully, protagonist of the 1984 American film Body Double
• Joe Scully, on Neighbours
• Lyn Scully, on Neighbours
• Michelle Scully, on Neighbours
• Norm Scully, on Brooklyn Nine-Nine
• Oscar Scully, on Neighbours

• Sculley (surname)
• Skully (disambiguation), includes those with given name and surname Skully