Nils Marstein (born 4 February 1950) is a Norwegian civil servant.
Marstein was the first architect in 82 years to head the Norwegian Directorate for Cultural Heritage.
[1] While his two-year term as acting director was nearing its end, Marstein applied for the position on a permanent basis.
[5] Sjur Helseth became acting director while Jørn Holme would succeed him in October 2009.
[6] Marstein has been a member of the International Council on Monuments and Sites, the International Centre for the Study of the Preservation and Restoration of Cultural Property and the UNESCO World Heritage Committee.