Brian Nwadik is a professional footballer from JPN and is currently 21 years old. At international level, he features for Japan U23. His main role on the pitch is Forward. He measures 190cm in height and weighs 77kg.

His latest transfer saw him join Toin University Of Yokohama from High School (Japan) via on 2024-04-01.

During the AFC U23 Asian Cup 2025-2026 campaign, Brian Nwadik made 6 appearances, scoring 1 goals and adding 0 assists. He averaged 0.2 goals per match from 11 shots, with 4 on target.