Agnes Baltsa (Aγν? Mπ?λτσα) (born 19th November 1944 on Lefkada) is a leading Greek mezzo-soprano. She began playing piano at the age of six, before moving to Athens in 1958 to concentrate on singing. She graduated from the Greek National Conservatoire in 1965 and then travelled to Munich to continue studying under a Maria Callas scholarship.