Stephan Alexander De Freitas Steverink (born 27 February 2004) is a Brazilian competitive swimmer. He won the gold medal in the 400-metre freestyle and the silver medal in the 400-metre individual medley at the 2022 World Junior Championships. At the 2021 Junior Pan American Games, he won a gold medal in the 4×200-metre freestyle relay, silver medals in the 800-metre freestyle, 400-metre individual medley and 4×100-metre medley relay, as well as a bronze medal in the 1500-metre freestyle.