Lebesby is a municipality in Finnmark county, Norway. The administrative centre of the municipality is the village of Kjøllefjord. Lebesby is also the name of a village in the municipality.Lebesby was established as a municipality on 1 January 1838 (see formannskapsdistrikt). The areas of Tana, Berlevåg, and Polmak were transferred from Lebesby to the municipality of Nesseby in 1846. Gamvik was transferred from Lebesby to Tana in 1864.