| Ilemela District | |
| Settlement Type: | District |
| Coordinates: | -2.5833°N 87°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Mwanza Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Ilemela District |
| Seat Type: | Headquarters |
| Seat: | Mwanza |
| Established Title: | Established |
| Area Total Km2: | 255.4 |
| Government Type: | Council |
| Leader Title: | Chairman |
| Leader Name: | Renatus Mulunga |
| Leader Title1: | Director |
| Leader Name1: | Mhandisi Modest Joseph Apolinary |
| Population As Of: | 2022 census |
| Population Total: | 509687 |
| Population Density Km2: | auto |
| Population Footnotes: | [1] |
| Population Density Total Km2: | auto |
| Area Code: | 028 |
| Postal Code: | 332xx |
| Postal Code Type: | Postcode |
| Timezone: | EAT |
Ilemela District is one of the seven districts of the Mwanza Region of Tanzania with a postcode number 33200. It is bordered to the north and west by Lake Victoria, to the east by Magu District, and to the south by Nyamagana District. Part of the region's capital, the town of Mwanza, is within Ilemela District. The district commission's office is located in Buswelu area of Mwanza town.
In 2016 the Tanzania National Bureau of Statistics report there were 386,361 people in the district, from 343,001 in 2012.
Mwanza International Airport is located in Ilemela District.
The district is divided into nineteen wards.