Quaglia is an Italian surname. Notable people with the surname include:Colleen Quaglia, National level swimmer Alberto Quaglia, Italian soccer coach Fernando Quaglia, Italian painter of portrait miniatures Franca Quaglia, Italian women's downhill skier Gerolamo Quaglia (1902–1985), Italian wrestler and Olympic medalist in Greco-Roman wrestling Giovanni Quaglia, founder of the Italian company SO.RI.MA. Hélio Quaglia Barbosa (1941–2008), Brazilian judge Léonhard Quaglia, French ice hockey player at the 1920 and 1928 Winter Olympics Marco Quaglia, Italian actor Martín Quaglia, husband of Colombian television actress Ana María Orozco Massimo Quaglia, Italian film editor Roberto Quaglia, Italian science fiction writer