Carlos Maria Guichandut (November 4, 1914 – September 27, 1990) was an Argentine baritone, and later tenor, particularly associated with heroic roles.
Born in Buenos Aires, he studied first philosophy and then singing, with Alfredo Bontà Biancardi.
He made his operatic debut at the Teatro Colon in 1945, in the title role of Rigoletto, followed by Luna in Il trovatore, Iago in Otello, and Scarpia in Tosca.
In 1952, after further vocal studies with Fidelia Campigna, he made a second debut in Bari, as a tenor this time, in the role of Siegmund in Die Walküre.
The following year, he sang the role of Giasone in Medea, opposite Maria Callas, at the Maggio Musicale Fiorentino, to great acclaim.