Nastro d'Argento for Best Supporting Actor

The Nastro d'Argento (Silver Ribbon) is a film award assigned each year, since 1946, by Sindacato Nazionale dei Giornalisti Cinematografici Italiani ("Italian National Syndicate of Film Journalists"), the association of Italian film critics.

This is the list of Nastro d'Argento awards for Best Supporting Actor. Romolo Valli,Leopoldo Trieste and Alessandro Haber are the most awarded actors in this category, with 3 awards each.

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