Siavash Ghomayshi (Persian: سیاوش قمیشی), born 1945 in Ahwaz, Iran, is an Iranian song writer, singer and music producer. He began his work in 1971 in Tehran, Iran
He started his career as a composer when he was just 14. Siavash holds a Master's degree in classical jazz from Royal Society of Arts in London, England, where he majored in pop music. He worked with some popular bands in England such as the Rebels and the Insects as a pianist and singer.