Unjárga (Northern Sami) or Nesseby (Norwegian) (also Uuniemi in Kven/Finnish) is a municipality in Finnmark county, Norway. The administrative centre of the municipality is the village of Varangerbotn.The official name of the municipality was Nesseby before 1989 when it was changed to Unjárga-Nesseby. It was the second municipality in Norway to get a Sami name. In 2005, the name was again changed, such that either Unjárga or Nesseby can be used.
The municipality (originally the parish) is named after the old Nesseby farm, since the first church was built there (in 1858). The first element is Nes which means "headland" and the last element is by which means "town".