| Matthias Bornhäuser | |
| Nationality: | German |
| Sport: | Windsurfing |
| Birth Date: | 5 January 1974 |
| Birth Place: | Reutlingen, West Germany |
Matthias Bornhäuser (also spelled Bornhaeuser, born 5 January 1974) is a German former windsurfer. He competed in the men's Mistral One Design event at the 1996 Summer Olympics.[1]