McAvoy is a surname. Notable people with the surname include:
Alex McAvoy (1928–2005), Scottish actorAndy McAvoy (born 1979), English footballerBilly McAvoy, Northern Irish footballerCharlie McAvoy (born 1997), American ice hockey defensemanCiara McAvoy, Scottish artistDoug McAvoy (born 1939), British trade union leaderDoug McAvoy (footballer) (1918–1988), Scottish footballerDylan McAvoy, fictional character from The Young and the RestlessFrancis S. McAvoy (1856–1926), American juristFrank McAvoy (1875–?), Scottish professional footballerFrankie McAvoy (born 1967), Scottish football coachGeorge McAvoy (baseball) (1884–1952), American baseball playerGeorge McAvoy (born 1931), Canadian ice hockey playerGerry McAvoy (born 1951), Northern Ireland guitaristJack McAvoy, American football coachJames McAvoy (born 1979), Scottish actorJess McAvoy, Australian musicianJock McAvoy (1908–1971), British boxerJohn H. McAvoy (1830–1893), founder of the McAvoy Brewing Company in Chicago, IllinoisLauren McAvoy (born 1987), English fashion modelMay McAvoy (1899–1984), American actressNathan McAvoy (born 1976), English rugby league playerThomas C. MacAvoyThomas James McAvoy (born 1938), American juristTom McAvoy (1936–2011), baseball pitcherTommy McAvoy (born 1943), Scottish politicianWickey McAvoy (1894–1973), American professional baseball playerWilliam H. McAvoy, aviatorWilliam McAvoy (1884–1956), American college sports coach