Kibaha is one of nine administrative districts of Pwani Region in Tanzania. The name means '"it is here" in Zaramo. The district covers an area of 1,502 km². Kibaha is bordered to the northeast by Kibaha Urban District and the north by Chalinze District. The district is bordered to the southeast by the Kisarawe District, On the western side the district is bordered by Morogoro District of Morogoro Region. The district seat is the town and ward of Mlandizi. According to the 2022 census, the district has a total population of 123,367.