Joseph Obey Joyce (born 19 September 1985) is a British professional boxer. He has held the British, Commonwealth, WBC Silver, and WBO International heavyweight titles since 2020 and previously held the European heavyweight title from 2020 to August 2021. As an amateur, he won a bronze medal at the 2013 European Championships; gold at the 2014 Commonwealth and 2015 European Games; bronze at the 2015 World Championships; and silver at the 2016 Olympics. As of May 2021, he is ranked as the world's eighth best active heavyweight by ESPN and the Transnational Boxing Rankings Board. He is known for his punching power and currently holds a 92% knockout-to-win percentage.