Demiane Agustien is a professional footballer from NED and is currently 19 years old. He is on the books of Arsenal U19 and wears shirt number 58. His main role on the pitch is Midfield. His stronger foot is Left.

His latest transfer saw him join Arsenal U23 from Derby County U18 via on 2025-07-19.

Over 1 appearances in the UEFA European U19 Football Championship 2025-2026, Demiane Agustien contributed 1 goals and 1 assists, completed 0 key passes from 17 total passes, and posted a passing accuracy of 14.