Gagliano is an Italian surname. Notable people with the surname include:
Tony Gagliano (born 1958) Canadian Businessman & Philanthropist
Alessandro Gagliano (c. 1700 – 1735), Italian luthier
Alfonso Gagliano (born 1942), Canadian accountant
Bob Gagliano (born 1958), former American Football player
Fernando Gagliano (c. 1770 – 1795), Italian luthier
Gaetano Gagliano (born 1917), Italian-Canadian businessman
Januarius Gagliano (c. 1740 – 1780), Italian luthier
Leonardo Gagliano (20th century), Brazilian radio speaker and sports commentator
Marco da Gagliano (1582–1643), Italian composer
Nicolò Gagliano (c. 1740 – 1780), Italian violin-maker
Phil Gagliano (born 1941), former Major League Baseball infielder
Ralph Gagliano (born 1946), Major League Baseball player
Tommy Gagliano (1884–1951), Sicilian-American mobster
