Milorad Mažić is a Serbian international association football referee. He became a FIFA referee in 2009. Beside working in the Serbian football league system, Mažić officiated numerous matches in the UEFA Champions League and the Europa League, as well as the 2016 UEFA Super Cup. He refereed matches at the 2014 FIFA World Cup, UEFA Euro 2016, 2017 FIFA Confederations Cup. He was selected as a referee for the 2018 FIFA World Cup. He was awarded a Silver Medal for Merits of the Republic of Serbia. He was selected the best Serbian referee nine times in a row.