Kilombero District
![Ferry crossing the Kilombero River near Ifakara, Kilombero District](/Images/godic/202501/22/Ifakara.Ferry.Kilombero-River0312.JPG")
Kilombero District is a district in Morogoro Region, south-western Tanzania.
The district is situated in a vast floodplain, between the Kilombero River in the south-east and the Udzungwa-Mountains in the north-west. On the other side of the Kilombero River, in the south-east, the floodplain is part of Ulanga District.