Aleksander Hammer Kjelsen is a 21-year-old professional football player from NOR. He currently plays for Aalesund FK, wearing the number 5 shirt. At the international level, he represents Norway U19. He plays primarily as a Defender. He stands at 183cm tall and weighs 70kg. His current market value is estimated at 500K €.

His most recent move was a Free from Vålerenga Fotball Elite to Aalesund FK on 2025-03-10. The reported fee was 0.2M €.

Throughout the Norwegian Eliteserien 2025, Aleksander Hammer Kjelsen featured in 2 matches, averaging 0.5 tackles, 1 interceptions, and 8 clearances per game, while blocking 0 shots per game.