Barbara Dever (born December 25, 1951) is an American mezzo-soprano opera singer who has appeared with Luciano Pavarotti, Plácido Domingo, Zubin Mehta, Nello Santi and James Levine.
Dever made her Metropolitan Opera debut in 1994, as Amneris in Aida. Other roles at the Met include Azucena in Il Trovatore, Ulrica in Un Ballo in Maschera, Eboli in Don Carlo, and Fricka in Die Walküre (1993 Japan tour under James Levine).
She has sung at the Washington Opera, New National Theater (Tokyo), Michigan Opera Theatre, Teatro Lirico di Cagliari, Teatro Massimo (Palermo; Grand Reopening), La Scala, Vienna State Opera, Berlin State Opera, Teatro Colón, Arena di Verona, Virginia Opera, and the Cincinnati Opera.
Dever's performances have taken her to Montreal, Mexico City, Macerata, Parma, Reykjavík, San Diego, Antwerp, Puerto Rico, Palermo, Vancouver, Santiago, Berlin, and Buenos Aires.