McGonigal is a surname. Notable people with the surname include:
Allan McGonigal (born 1964), Scottish footballer
Ambrose McGonigal (1917–1979), British Army soldier and judge
David McGonigal (born 1950), Australian writer and photographer
Jane McGonigal (born 1977), American video game designer
Kelly McGonigal (born 1977), American health psychologist
Pearl McGonigal (born 1929), Canadian politician