Anna Justine Steiger (born 13 February 1960) is an American opera singer who has sung leading soprano and mezzo-soprano roles in British, European and North American opera houses. She has sung many recitals at festivals which have been broadcast live on the BBC, Radio France and the Australian Broadcasting Corporation to name a few. In 2010, she was invited to participate in the Australian Chamber Music Festival. She is still active as a recitalist and opera singer.
Her professional debut was as Dorabella in Così fan tutte in 1984 with Opera 80. In 1986 she sang the title role in Monteverdi’s L'incoronazione di Poppea at Glyndebourne, and she returned to sing in many productions there in roles such as Concepción in L'heure espagnole. With Glyndebourne Touring Opera, she sang the role of Sashka in the 1987 world premiere of Nigel Osborne's The Electrification of the Soviet Union.
From 1988, she sang at other opera houses in the UK, including the Royal Opera House, Covent Garden, with roles in Parsifal, Jenůfa and The Knot Garden, and the English National Opera in The Makropulos Affair. Abroad, her roles have included Despina in Così fan tutte (Amsterdam, Stuttgart and Zurich), Zerlina in Don Giovanni (Seattle Opera, Stuttgart and Nancy), Governess in The Turn of the Screw (La Fenice), Jenny in Rise and Fall of the City of Mahagonny (Los Angeles Opera), the Composer in Ariadne auf Naxos (Opera Theatre of St. Louis), Concepción (New York City Opera and Geneva), Serpetta in La finta giardiniera (Frankfurt and Lausanne), and Damigella in L'incoronazione di Poppea at the Salzburg Festival.
She has sung many times with Nicolaus Harnoncourt and in 1991 recorded with him the role of Despina with the Concertgebouw Orchestra for the Teldec/Warner Classics label. Still active in Opera, in 2018 and 2019 she will appear in Verdi's La Traviata at the Capitole of Toulouse, and Rossini's Le Comte Ory at the Opera de Rennes and the Opera de Rouen.