| Oliver Klemet | |
| Nationality: | German |
| Strokes: | Freestyle |
| Birth Date: | 18 March 2002 |
| Birth Place: | Wehrheim, Germany |
| Club: | SG Frankfurt |
Oliver Klemet (born March 18, 2002) is a German open water swimmer. He won gold medal in the 4 x 1.5 km relay with Boy, Beck and Wellbrock at the 2022 World Swimming Championships in Budapest, Hungary.[1] In July 2023, Klemet won the bronze medal in the ten-kilometer open water event at the World Aquatics Championships in Fukuoka.[2] At the 2024 Summer Olympics in Paris, France, Klemet won the silver medal in the 10 km Open Water event.