Ralph Siegel (born 30 September 1945 in Munich) is a German record producer and songwriter. He is married to the opera singer Kriemhild Jhan. He has three daughters, one of them Giuia Siegel divorced from German entrepreneur Hans Wehrmann..
Siegel is one of the most notable figures at the Eurovision Song Contest, in which he has participated with 21 songs so far, the latest being the 2014 Sammarinese entry Maybe by Valentina Monewtta. In 1982, Siegel's and Bernad Meinunger’s song Ein bißchen Frieden (A Little Peace), performed by Nicole won the Contest and became a hit in Europe.
In February 2010, it was announced by RTÉ that he would have an entry in the Irish National Final-Eurosong 2010. The song titled River of Silence was performed by Lee Bradshaw. It ended in the last. He also composed C'était ma vie, performed by Lys Assia for representing Switzerland in the Eurovision Song Contest. She reached an 8th position in Swiss National Final.