Iuliu Ilyés (born April 25, 1957 in Satu Mare) is a Romanian engineer and politician of Hungarian ethnicity. A member of the Democratic Union of Hungarians in Romania (UDMR), he was the mayor of Satu Mare for two terms, from 2004 until 2012. Between 1996 and 2004 he was the deputy mayor of the city. He is married to Ildikó and has two children.