Aleksandra Kurzak (born 7 August 1977) is a Polish operatic soprano.
She had been successful in light lyric and coloratura soprano repertoire such as Susanna in The Marriage of Figaro, Gilda in Rigoletto, and Adina in L'elisir d'amore.
From the early 2010s, she began taking up gradually heavier roles in bel canto and Verismo repertoire such as Violetta in La traviata, Nedda in Pagliacci, and Desdemona in Otello.
After her debuts at New York Metropolitan Opera and the London Royal Opera House in the 2004/05 season, she has been known to leading opera houses in addition to her native Poland.
Since her marriage with Roberto Alagna, the couple often appears together in concerts and opera productions.