Anna Dennis studied at the Royal Academy of Music.

She was the recipient of the 2023 Royal Philharmic Society’s Singer award.

Her opera performances include Katie Mitchell’s New Dark Age at the Royal Opera House, Purcell’s The Fairy Queen at Drottningholms Slottsteater in Stockholm, Handel’s Rodelinda at the Göttingen Handel Festspiel, Mozart’s Idomeneo directed by Graham Vick at Birmingham Opera Company, Damon Albarn’s Dr Dee at English National Opera, and roles in all three Monteverdi operas during John Eliot Gardiner’s world tour of the trilogy. She recently created the title role of Violet in Tom Coult’s debut opera, premiered at the Aldeburgh festival, and multiple roles in Sir David Pountney's Purcell pasticcio Masque of Might for Opera North.

In concert she has sung with the Scottish Chamber Orchestra , Orchestra of St Luke’s in New York, the Australian Chamber Orchestra, Birmingham Contemporary Music Group, Orquestra Gulbenkian, les Violons du Roy, Britten Sinfonia, and Sinfonietta Riga. She has sung Britten’s War Requiem at the Berlin Philharmonie and Thomas Ades’ Life Story, accompanied by the composer, at New York’s White Light Festival. Recent highlights have included performing Antony Burgess setting of TS Eliot’s The Wasteland with Benedict Cumberbatch and Britten Sinfonia at the Charleston Festival, Bach’s Mein Herze Schwimmt im Blut with Kristian Bezuidenhout in Riga, Haydn’s Jahreszeiten with Düsseldorfer Sinfoniker under Adam Fischer, and Handel’s Judas Maccabeuswith AKAMUS at the Berlin Philharmonie.

Her numerous recordings include Elena Langer’s Landscape with Three People, the Grammy-nominated Kastalsky Requiem with the Orchestra of St Luke’s under Leonard Slatkin, and Handel’s Amadigi di Gaula with Early Opera Company under Christian Curnyn.

In the coming season she will sing Queen of the Night/The Magic Flute for Opera North, Nono's Canti di Vita e d'Amore with BBC Symphony Orchestra, Handel's Orlando with the Academy of Ancient Music, and Mozart Mass in C minor with the Scottish Chamber Orchestra.