Isak Helstad Amundsen (born 14 October 1999) is a Norwegian footballer who plays as a defender for Bodø/Glimt.
Club career
Amundsen was born in Brønnøysund. He made his senior debut for Brønnøysund on 31 May 2014 against Drag; Brønnøysund won 9–0.
On 18 February 2020, Amundsen signed his first professional contract with Bodø/Glimt. Amundsen made his senior debut for Bodø/Glimt on 1 July 2020 against Odd, with Bodø/Glimt winning 4–0.