Jonas Seim is a professional footballer from NOR and is currently 20 years old. His main role on the pitch is Forward. His estimated market valuation currently stands at 50K .

His latest transfer saw him join Start Kristiansand from Pors Fotball via Loan on 2026-12-31.

During the Norwegian 2.Divisjon 2025 campaign, Jonas Seim made 14 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.