The Mjøsa Cities () is the name of a metropolitan region around the lake Mjøsa in Innlandet county, Norway. Usually the name Mjøsbyene refers specifically to the three cities of Gjøvik, Hamar, and Lillehammer. The name is also used as a general reference to the whole area of the three cities and surrounding countryside. The largest of those cities is Hamar.

+ Data about the Mjøsa Cities region (from 2025) Municipality Population Area DensityGausdal MunicipalityGjøvik MunicipalityHamar MunicipalityLillehammer MunicipalityLøten MunicipalityRingsaker MunicipalityStange MunicipalityVestre Toten MunicipalityØstre Toten MunicipalityØyer MunicipalityTotal33

References