Norwegian Mapping Authority

The Norwegian Mapping Authority (NMA) (Norwegian: Statens kartverk or Kartverket) is Norway's national mapping agency, dealing with land surveying, geodesy, hydrographic surveying, cadastre and cartography. The current director is Johnny Welle. Its headquarters are in Hønefoss in Ringerike Municipality. It is a public agency under the Ministry of Local Government and Regional Development. NMA was founded in 1773.

The Norwegian Mapping Authority participates in research and development and cooperates with Norwegian industry and other government agencies in areas such as export-oriented measures.