Mårten Hans Hagström is a Swedish musician, best known as the rhythm guitarist for the extreme metal band Meshuggah. He joined the band after the release of their first album, which allowed Jens Kidman to focus on his vocal performances and give up rhythm guitar duties. He and fellow Meshuggah guitarist Fredrik Thordendal are known for their complex rhythm guitar playing. Hagström has cited Rush, James Hetfield, Squarepusher, Autechre, Strapping Young Lad, and GISM as influences.

Meshuggah is a Swedish extreme metal band formed in Umeå in 1987. Since 2004, the band's lineup consists of founding members Jens Kidman (vocals) and Fredrik Thordendal (guitar), alongside guitarist Mårten Hagström, drummer Tomas Haake and bassist Dick Lövgren. Since its formation, the band has released nine studio albums, six EPs and eight music videos. Their latest studio album, Immutable, was released in April 2022 via Atomic Fire Records.