| Dennis Mathiasen | |
| Fullname: | Dennis Mathiasen |
| Nationality: | Danish  |
| Height: | 193 cm. |
| Position: | Right Back |
| Currentclub: | Skjern Håndbold |
| Clubnumber: | 15 |
Dennis Mathiasen (born 12 July 1981) is a Danish handballer, currently playing for Danish Handball League side Skjern Håndbold. He has played in the club for the past eight years, and was a part of the team as they won the EHF Challenge Cup in 2002 and 2003