Ivar Fonnes (born 24 May 1944) is a Norwegian historian, archivist and civil servant.

He was assigned with the National Archives of Norway from 1983, first as head of the IT department, and eventually with various other administrative positions.

[1] He was appointed national archivist of Norway in 2006, and held this position until 2014, when Inga Bolstad assumed the position.

[2] Fonnes was also leader of the committee that delivered the Norwegian Official Report 2006: 5 about health archives.

This biographical article about a Norwegian historian is a stub.