Carlos Álvarez (born 1966 in Málaga) is a Spanish baritone who has had a major international opera career since the early 1990s. His recording of the title role in Isaac Albéniz's Merlin with Plácido Domingo as King Arthur won a Latin Grammy Award in 2001, and his recording of the role of Ford in Giuseppe Verdi's Falstaff won the Grammy Award for Best Opera Recording in 2006.
Álvarez made his stage debut at Madrid's Teatro de la Zarzuela in 1990 in a production of Pablo Sorozábal's La del manojo de rosas. Since then he has appeared in leading roles on the stages of most of the world's great opera houses, including La Scala, the Royal Opera, London, Opéra Bastille, the Liceu, the Palau de les Arts Reina Sofía, the Teatro Real, the Bavarian State Opera, the Hamburg State Opera, the Vienna State Opera, the Lyric Opera of Chicago, the Washington National Opera, and Zurich Opera. Some of the roles he has performed on stage are Alfonso XI of Castile in La favorite, Don Carlo in Ernani, Don Carlo di Vargas in La forza del destino, the Duke of Nottingham in Roberto Devereux, Escamillo in Carmen, Figaro in The Barber of Seville, Gérard in Andrea Chénier, Iago in Otello, Marc Antoine in Jules Massenet’s Cléopâtre, Rodrigo in Don Carlos, Roque in Emilio Arrieta's Marina, and the title roles in Don Giovanni, The Marriage of Figaro, and Simon Boccanegra.