| Jomoro Municipal District | |
| Settlement Type: | Municipal District |
| Pushpin Map: | Ghana |
| Pushpin Map Caption: | Location of Jomoro Municipal District within Western |
| Subdivision Type: | Country |
| Subdivision Name: |  Ghana |
| Subdivision Type1: | Region |
| Subdivision Name1: | Western |
| Subdivision Type2: | Capital |
| Subdivision Name2: | Half Assini |
| Leader Title: | Municipal Chief Executive |
| Leader Name: | Louisa Iris Arde |
| Area Total Km2: | 1344 |
| Population As Of: | 2021 census[1] |
| Population Total: | 126,576 |
| Population Density Km2: | auto |
| Timezone: | GMT |
| Utc Offset: | +0 |
| Coordinates: | 5.0931°N -3.1014°W |
| Iso Code: | GH-WP-JO |
Jomoro Municipal District (a.k.a. Nzema West Municipal District) is one of the fourteen districts in Western Region, Ghana. Originally created as an ordinary district assembly in 1988 when it was known as Jomoro District, which was created from the former Nzema District Council, until it was later elevated to municipal district assembly status on 15 March 2018 to become Jomoro Municipal District. The municipality is located in the southwest part of Western Region and has Half Assini as its capital town.
Jomoro Municipal District is the most westernmost district on the coast of Ghana.