Pietro Gaudenzi (January 18, 1880 in Genoa - December 23, 1955 in Anticoli Corrado, near Rome) was an Italian painter.
His father, Enrico, was a musician from Bergamo.
He had received early training from the painter Francesco Del Santo in La Spezia, but then moved on to Genoa.
He there studied at the Accademia Ligustica of Genoa, under Cesare Viazzi.
He served in 1899 as an artist for the Genovese newspaper of Il Lavoro.