Mtambani is a ward in the Pwani Region of Tanzania. It is located in Kibaha District.
According to the 2022 census, the population of Mtambani is 12,427. There are 6,530 males and 5,897 females. There are 2,860 households with an average household size of 4.3. The ward covers an area of . It has 2,095 buildings in total.