Florian Wellbrock (born 19 August 1997) is a German swimmer. He competed in the men's 1500 metre freestyle event at the 2016 Summer Olympics. At the 2019 World Aquatics Championships, he became the first swimmer to win both the 1500m freestyle and the 10 km open-water race at an international competition. He qualified to represent Germany at the 2020 Summer Olympics. In 2021, he won the gold medal in the Men's 10 kilometre open water at the 2020 Summer Olympics.