Carlo Galeffi (4 June 1884 – 22 September 1961) was a leading Italian baritone, particularly associated with the operatic works of Giuseppe Verdi and the various verismo composers.
According to The Concise Oxford Dictionary of Opera, he made his professional debut in 1904, aged 21, at Rome's Teatro Adriano, as Enrico in Lucia di Lammermoor.
He sang at the New York Metropolitan Opera only once, on November 29 of that same year, as Verdi's Germont père in La Traviata.
The bulk of Galeffi's career, however, took place in Italy, especially at La Scala, where he was much acclaimed for his performances of Verdi roles that ranged from Nabucco, through Renato, Di Luna, Amonasro and Simon Boccanegra, to Iago.
He also created Manfredo in Montemezzi's L'amore dei tre re, Fanuel in Boito's Nerone (at La Scala in 1913 and 1924 respectively), Raimondo in Mascagni's Isabeau (at Buenos Aires in 1911), and William in Gino Marinuzzi's Jacquerie.