Ambrogio Maestri (born 1970) is an Italian operatic baritone. He is especially known for his portrayal of the title character in Giuseppe Verdi's Falstaff. He studied piano and singing in his home town, Pavia. In Italy he has performed at the Teatro alla Scala in Milan, Teatro di San Carlo in Naples, Teatro Regio in Parma, Teatro dell'Opera di Roma, Teatro Regio in Turin, Teatro Verdi in Trieste and the Arena di Verona. Abroad he has performed at the Deutsche Oper Berlin, Teatro Nacional de São Carlos in Lisbon, the Royal Opera House in London, the Teatro Real in Madrid, the Metropolitan Opera in New York City, San Francisco Opera House, the Konzerthaus and the Staatsoper in Vienna, the Gran Teatre del Liceu in Barcelona and others.