Gustavo Giagnoni (23 March 1932 – 7 August 2018) was an Italian professional footballer and coach.

As a player, he started his career with hometown side Olbia Calcio.

He went on to spend a decade playing as a sweeper for Mantova and three seasons at Reggiana.

Giagnoni died on 7 August 2018, at the age of 86.

This biographical article related to association football in Italy, about a midfielder born in the 1930s, is a stub.