Sebastian Gjelsvik is a 25-year-old professional football player from NOR. He currently plays for Raufoss IL, wearing the number 4 shirt. He plays primarily as a Defender. He stands at 189cm tall and weighs 77kg. His current market value is estimated at 25K €.

His most recent move was a from Ullensaker/Kisa IL to Raufoss IL on 2026-02-23.

Throughout the Norwegian 2.Divisjon 2025, Sebastian Gjelsvik featured in 25 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.