Shawn Christian Porter (born October 27, 1987) is an American professional boxer. He is a two-time welterweight world champion, having held the WBC title since 2018, and previously the IBF title from 2013 to 2014. As of September 2018, Porter is ranked as the world's fourth best active welterweight by The Ring magazine, the Transnational Boxing Rankings Board, and BoxRec. He is particularly known for his aggressive pressure fighting style, physical strength and high workrate.