Oskar Siira Sivertsen (born 15 February 2004) is a Norwegian professional footballer who plays as a forward for Dutch Eredivisie club Go Ahead Eagles.
Club career A youth academy graduate of Kristiansund, Sivertsen made his professional debut on 22 August 2020 in a 4–1 league win against Sarpsborg 08. He came on as an 89th-minute substitute for Liridon Kalludra and scored his first goal five minutes later.
International career Sivertsen is a current Norwegian youth national team player.
