McAvoy is a surname. Notable people with the surname include:
Alex McAvoy (1928–2005), Scottish actor
Andy McAvoy (born 1979), English footballer
Billy McAvoy, Northern Irish footballer
Charlie McAvoy (born 1997), American ice hockey defenseman
Ciara McAvoy, Scottish artist
Doug McAvoy (born 1939), British trade union leader
Doug McAvoy (footballer) (1918–1988), Scottish footballer
Dylan McAvoy, fictional character from The Young and the Restless
Francis S. McAvoy (1856–1926), American jurist
Frank McAvoy (1875–?), Scottish professional footballer
Frankie McAvoy (born 1967), Scottish football coach
George McAvoy (baseball) (1884–1952), American baseball player
George McAvoy (born 1931), Canadian ice hockey player
Gerry McAvoy (born 1951), Northern Ireland guitarist
Jack McAvoy, American football coach
James McAvoy (born 1979), Scottish actor
Jess McAvoy, Australian musician
Jock McAvoy (1908–1971), British boxer
John H. McAvoy (1830–1893), founder of the McAvoy Brewing Company in Chicago, Illinois
Lauren McAvoy (born 1987), English fashion model
May McAvoy (1899–1984), American actress
Nathan McAvoy (born 1976), English rugby league player
Thomas C. MacAvoy
Thomas James McAvoy (born 1938), American jurist
Tom McAvoy (1936–2011), baseball pitcher
Tommy McAvoy (born 1943), Scottish politician
Wickey McAvoy (1894–1973), American professional baseball player
William H. McAvoy, aviator
William McAvoy (1884–1956), American college sports coach
