Demiane Agustien is a 19-year-old professional football player from NED. He currently plays for Arsenal U19, wearing the number 58 shirt. He plays primarily as a Midfield.

His most recent move was a from Derby County U18 to Arsenal U23 on 2025-07-19.

Across 1 appearances in the UEFA European U19 Football Championship 2025-2026, Demiane Agustien registered 1 goals and 1 assists, while completing 0 key passes out of 17 total passes with a passing accuracy of 14.