Namutumba is a town in the Namutumba District of the Eastern Region of Uganda. It is the main municipal, administrative, and commercial centre of the district.
Namutumba is approximately 88 kilometres (55 mi), by road, northeast of Jinja, the largest city in the sub-region. This is approximately 43 kilometres (27 mi), by road, northeast of Iganga, the closest large town. The town of Busembatya in Iganga District, about 13.5 kilometres (8.4 mi) to the southwest of Namutumba, is the closest neighboring trading center and has the nearest post office. To the northeast of Namutumba is Tirinyi in Kibuku District, another small town on the main Iganga-Mbale road.
The town of Namutumba is on the major highway between Iganga and Mbale, on the Tirinyi Bridge Road, which is known locally as the Tirinyi–Mbale Road.