Grethe Ingmann (June 17, 1938 – August 18, 1990) was a Danish singer. She performed as a member of the duet, Grethe og Jørgen Ingmann, along with her husband, guitarist Jørgen. Together they won the Eurovision Song Contest in 1963 representing Denmark with the song "Dansevise" (Dancing tune) with music by Otto Francker and lyrics by Sejr Volmer-Sørensen. 　　The couple met in 1955, married in 1956 and divorced in 1975. Ingmann died of cancer on August 18, 1990 at age 52.