Pietro Willy Ruta (born 6 August 1987) is an Italian rower. He competed in the men's lightweight double sculls with Elia Luini at the 2012 Summer Olympics, and in the men's lightweight coxless four at the 2016 Summer Olympics, finishing in 4th.
He won a bronze medal in the men's lightweight double sculls at the 2020 Summer Olympics with Stefano Oppo.
At the World Championships, he won a silver medal in the men's lightweight double sculls in 2017, 2018 and 2019, and in the men's lightweight single sculls in 2011.