Siyamak More Sedgh (Persian: سیامک مرهصدق, romanized: Siyāmak More-Sedq; born 1965) is a Jewish Iranian politician and doctor who was the holder of the Iranian Parliament's reserved seat for the Jewish minority from 2008 to 2020, and is also the chairman of the Jewish charitable institution Dr. Sapir Hospital and Charity Center. He has been referred to as Iran's "No. 1 Jew."