Andrea Zsadon (born 18 October 1946) is a Hungarian soprano and actress active in both opera and operetta. During her career as a singer she performed frequently at the Vienna Volksoper and the . Zsadon was the recipient of the Mari Jászai Prize in 1987 and the Knight's Cross of the Order of Merit of the Republic of Hungary in 2008.
Zsadon was born in Debrecen and is married to the singer and operetta director . When they both retired from the Budapest Operetta Theatre in 1992, they founded their own operetta ensemble, Operettszínházból.
Amongst Zsadon's film and television appearances is Az Élet muzsikája (The Music of Life), a 1984 biographical film about the Hungarian composer Emmerich Kálmán.