Øst-Finnmark District Court (Norwegian: Øst-Finnmark tingrett) was a district court located in the town of Vadsø in Finnmark county, Norway.

The court served the eastern part of the county which includes the municipalities of Berlevåg, Båtsfjord, Gamvik, Lebesby, Sør-Varanger, Vadsø, and Vardø.

The court was led by the chief judge (Sorenskriver) Steinar Langholm.

Its judicial duties were mainly to settle criminal cases and to resolve civil litigation as well as bankruptcy.

The administration and registration tasks of the court included death registration, issuing certain certificates, performing duties of a notary public, and officiating civil wedding ceremonies.