Dennis·De Sousa Oelsner is a 30-year-old professional football player from BRA. He currently plays for TSV Schott Mainz, wearing the number 31 shirt. He plays primarily as a Forward. He stands at 170cm tall and weighs 57kg. His current market value is estimated at 50K .

His most recent move was a from Stuttgarter Kickers to TSV Schott Mainz on 2025-08-01.

In the German Regionalliga 2025-2026 season, Dennis·De Sousa Oelsner scored 3 goals and provided 0 assists across 18 appearances, averaging 0.2 goals per game with 0 shots attempted and 0 on target.