Anna Caterina Antonacci, (born 5 April 1961) is an Italian soprano known for roles in the bel canto and Baroque repertories. She performed as a mezzo-soprano for several years, particularly performing the Rossini canon. Antonacci studied in Bologna and made her debut as Rosina in 1986 at Arezzo. She was profiled at length by the New York Times in March 2012.