McGarry is a surname of Irish origin meaning "the son of Fearadhach." It is the 422nd most common surname in Ireland, and 722nd in Scotland.^[1]

• Andrew McGarry (born 1981), English cricketer
• Anna McGarry (1894–1978), leading U.S. advocate in interracial justice and veteran social action leader
• Bill McGarry (1927–2005), English international football player and manager
• Chris McGarry (born 1966), American actor
• Christi McGarry, Filipina-American beauty pageant titleholder from Jersey City, New Jersey
• Colin McGarry (born 1965), Northern Irish professional darts player
• Fearghal McGarry (born 1971), an Irish historian
• Flynn McGarry (born 1998), American chef
• James McGarry (hurler) (born 1971), Irish hurling player
• Jean McGarry, author of fiction and Professor in the Writing Seminars program at Johns Hopkins University
• John McGarry (born 1957), Northern Irish political scientist
• Kathleen M. McGarry, Professor of Health Economics at the University of California, Los Angeles
• Kathryn McGarry, Canadian politician, Mayor-elect of Cambridge, Ontario, formerly a critical care nurse
• Kelly McGarry (1982-2016), professional New Zealand freeride mountain biker and X-Games athlete
• Mac McGarry (born 1926), host of the U.S. television quiz show It's Academic
• Mary McGarry Morris (born 1943), American novelist, short story author and playwright
• Michael McGarry (born 1965), New Zealand international soccer player
• Moses Elijah McGarry (1878–1949), physician and political figure in Nova Scotia, Canada
• Natalie McGarry (born 1981), Scottish politician
• Niall McGarry (born 1978), Irish businessman
• Patsy McGarry, Religious Affairs correspondent of The Irish Times in the Republic of Ireland
• Peter J. McGarry (1871–1940), New York politician
• Robert McGarry IV (born 1985), collegiate American football player
• Ron McGarry (born 1937), English professional footballer who played centre forward for a number of clubs
• Ryan McGarry (born c. 1983) ER doctor and documentary film-maker
• Sandy McGarry (born 1961) South Carolina House of Representatives member
• Seán McGarry (fl. 1908–1925), Irish nationalist and politician
• Steve McGarry (born 1953), British cartoonist
• Steven McGarry (born 1979), Scottish professional footballer
• Thomas McGarry, early 20th-century Canadian politician
• Tim McGarry (born 1964), Northern Irish actor and comedian

• Leo McGarry, character played by John Spencer on the television serial drama The West Wing

• McGarry, Ontario, township in Timiskaming District in the Canadian province of Ontario