| Mendi-Munihu District | |
| Pushpin Map: | Papua New Guinea |
| Coordinates: | -6.1333°N 182°W |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location within Papua New Guinea |
| Subdivision Type: | Country |
| Subdivision Name: |  Papua New Guinea |
| Subdivision Type2: | Province |
| Seat Type: | Capital |
| Seat: | Mendi |
| Area Total Km2: | 1354 |
| Population Total: | 144629 |
| Population As Of: | 2011 census |
| Population Density Km2: | auto |
| Timezone1: | AEST |
| Utc Offset1: | +10 |
Mendi-Munihu District is a district of the Southern Highlands Province of Papua New Guinea. Its capital is Mendi. The population was 144,629 at the 2011 census.[1]