Mattias Nørstebø (born June 3, 1995) is a Norwegian professional ice hockey defenseman.

[1] After five seasons within Brynäs IF, Nørstebø left out of contract to sign a two-year deal for SHL rivals, Frölunda HC, on March 31, 2016.

[2] After three seasons within Frölunda HC, Nørstebø left as a free agent following the 2018–19 campaign.

He signed a one-year contract in the Allsvenskan, returning to former loan club Mora IK on a one-year contract on 26 July 2019.

This Norwegian biographical article relating to ice hockey is a stub.