Mzimuni is an administrative ward in Kinondoni District of the Dar es Salaam Region in Tanzania. The ward's northern boundaries are formed by the wards of Ndugumbi and Magomeni. Upanga West and Jangwani wards of Ilala MC surround the ward on the east, and Kigogo ward borders it on the south. The Makurumla and Mburahati wards of Ubungo MC are to the west. The ward is home to the Mwalimu Nyerere Memorial House. In 2016 the Tanzania National Bureau of Statistics report there were 26,905 people in the ward, from 21,486 in 2012.