Mathias Olesen
#8 · Central Midfield · Grazer AK
- Nationality
- Luxembourg
- Born
- 2001-03-21
- Birthplace
- Kopenhagen, Denmark
- Height
- 188 cm
- Weight
- 183 lbs
Mathias Flaga Olesen (born 21 March 2001) is a professional footballer who plays for Austrian Football Bundesliga club Grazer AK on loan from German side Greuther Fürth. Born in Denmark, he represents the Luxembourg national team.