Kumwambu is an administrative ward in Muhambwe Constituency in Kibondo District of Kigoma Region in Tanzania.

In 2016 the Tanzania National Bureau of Statistics report there were 6,689 people in the ward.

[1][2]: 125 The ward has 9 hamlets.

Prior to 2014 Kumwambu was a village in the Kibondo Mjini ward.

This Kigoma Region location article is a stub.