Namtumbo District is one of the five districts of the Ruvuma Region of Tanzania.

It is bordered to the north by the Morogoro Region, to the east by the Tunduru District, to the south by Mozambique and to the west by the Songea Urban District and Songea Rural District.

As of 2022[update], the population of the Namtumbo District was 271,368.

[1][2] The Namtumbo District is administratively divided into 21 wards:

This Ruvuma Region location article is a stub.