Pacetti is an Italian surname. Notable people with the surname include:Camillo Pacetti (1758–1826), Italian sculptor Giovanni Battista Pacetti (1593–1630), Italian painter Iva Pacetti (1898–1981), Italian operatic soprano Massimo Pacetti, Canadian politician Phillip Michael Pacetti, vocalist, keyboardist, guitarist, lyricist, songwriter and music producer Vincenzo Pacetti (1746–1820), Italian sculptor and restorer, brother of Camillo Pacetti