Kristoffer Tonnessen is a professional footballer from NOR and is currently 29 years old. He is on the books of Start Kristiansand and wears shirt number 19. His main role on the pitch is Defender. He measures 187cm in height and weighs 76kg. His stronger foot is Right. His estimated market valuation currently stands at 400K €.

His latest transfer saw him join Start Kristiansand from Lillestrom via on 2026-01-30.

Across the Norwegian 1.Divisjon 2025, Kristoffer Tonnessen appeared in 28 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.