Marius Lundemo (born 11 April 1994) is a Norwegian professional footballer who plays as a defensive midfielder for Stabæk.
He started his career in Bærum SK. He made his senior debut in a friendly match in March 2010. He then made his league debut in late 2010. Ahead of the 2011 season he was officially drafted into the first team. He started his first match in August 2011.
Ahead of the 2014 season, Lundemo transferred to the first-tier club Lillestrøm. He made his league debut for Lillestrøm in March 2014 against Haugesund. After the 2016 season Lundemo opted to leave Lillestrøm with his contract expiring at the end of the year.
In December 2016, Lundemo signed for Rosenborg.
In June 2020, Lundemo signed for APOEL starting from 1 August when his contract with Rosenborg expires.
In March 2025, Lundemo signed for Valur starting from 10 March, signed as a free agent for the Icelandic giants.
Lundemo signed for Norwegian side Stabæk on 2 March 2026.
Rosenborg