Marcello Violi (born 11 October 1993) was an Italian rugby union player.

[2] Under contract with Calvisano, for the 2014–15 Pro12 season, he was named like Permit Player for Zebre in Pro 14.

[7] In January 2015, Violi was named in the Italian squad for the 2015 Six Nations Championship.

[8] On 24 August 2015, he was named in the final 31-man squad for the 2015 Rugby World Cup.

[9] On the 19 October 2021, he was selected by Alessandro Troncon to be part of an Italy A squad for the 2021 end-of-year rugby union internationals.