Oskar Siira Sivertsen (born 15 February 2004) is a Norwegian professional footballer who plays as a forward for Dutch Eredivisie club Go Ahead Eagles.
[1] A youth academy graduate of Kristiansund, Sivertsen made his professional debut on 22 August 2020 in a 4–1 league win against Sarpsborg 08.
[3] On 4 February 2025, Sivertsen signed a three-and-a-half-season contract with Go Ahead Eagles in the Netherlands.
[4] Sivertsen is a current Norwegian youth national team player.
This biographical article related to a Norwegian association football forward is a stub.