Namdal District Court (Norwegian: Namdal tingrett) was a district court in Trøndelag county, Norway.

It served the municipalities of Flatanger, Fosnes, Grong, Høylandet, Leka, Lierne, Namsos, Namsskogan, Nærøy, Overhalla, Røyrvik, and Vikna.

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.

Cases from this court were heard by a combination of professional judges and lay judges.