Hetty Koes Endang, born as Hetty Koes Madewy on August 6 1957 in Jakarta, is an Indonesian singer and actress. Hetty released very successful singles and albums in the period from 1972 to 2004. Hetty participated in many festivals and contests.
In 1977 she participated at the World Popular Song Fesival with the song Damai Tapi Gersang which was a duet with Ajie Bandi. They came 7th and won an Outstanding Song Award. In 1981 Hetty represented Indonesia again at the W.P.S.F. Unfortunately she stranded in the semi-finals with the song Siksa, which was a duet with Euis Darliah.