Fernando Muhlenberg Scheffer (born 6 April 1998) is a Brazilian swimmer. In the 200 metre freestyle, he is the bronze medalist of the Tokyo 2020 Olympics, the gold medalist at the 2019 Pan American Games and the South American record holder in the event. He became world champion and world record holder in the 4x200m freestyle relay at the 2018 World Swimming Championships in short course.