Guido Rossa (1 December 1934 – 24 January 1979) was an Italian worker and syndicalist who was born in Cesiomaggiore, Veneto, and lived for several years in Turin.

In 1961 he moved to Genoa to work for Italsider and, the following year, was elected to the labor union FIOM-CGIL.

[2] As a member of the Italian Communist Party, he was a trade unionist for the labor union CGIL at Italsider in Genoa-Cornigliano.

He denounced to the Italian police a colleague, Francesco Berardi, who produced propaganda at Italsider on behalf of the Red Brigades.

[3] In retaliation, Rossa was killed by the Red Brigades on 24 January 1979, during the Years of Lead.