Aleksandra Kurzak (born 7 August 1977) is a Polish operatic soprano. She had specialised in lyric and coloratura soprano roles in German and Italian repertoire. She has transitioned into heavier roles in 19th-century Romantic and verismo operas.
Trained in her native Wrocław and Hamburg, she started her career in Hamburg State Opera's ensemble. She received international attention after her debuts at the Metropolitan Opera in New York and the Royal Opera, London in the 2004/05 season. She has since been performing leading roles with further opera companies, such as the Vienna State Opera, Bavarian State Opera, Paris Opera. Since her marriage with Roberto Alagna in 2015, the couple has been making frequent joint appearances on both concert and opera stages.
Kurzak had been an exclusive Decca Records artist from January 2011 until moving to Sony Classical Records in May 2018.