| Medal record | ||
|---|---|---|
| Men's swimming | ||
| Competitor for the Netherlands | ||
| Olympic Games | ||
| Bronze | 1960 Rome | 200 m breaststroke |
| European Championships | ||
| Bronze | 1962 Leipzig | 4×100 m medley |
Wieger Emile Mensonides (born July 12, 1938 in The Hague, Zuid-Holland) is a former Dutch swimmer, who won the bronze medal in the 200 Metres Breaststroke at the 1960 Summer Olympics. For forty years he was the only Dutch swimmer to have won an Olympic medal. Pieter van den Hoogenband followed in his footsteps at the 2000 Summer Olympics in Sydney.
After his active sports career, Wieger Mensonides continued his involvement with the sport by training swimmers, and he developed a swim analysis method with corresponding software. He also has a swim analysis website showcasing the software together with a blog about all technical aspects of swimming and swim analysis.