| Mahagadhimai | |
| Other Name: | महागढीमाई |
| Settlement Type: | Municipality |
| Mapsize: | 300px |
| Pushpin Map: | Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Coordinates: | 27.07°N 85.18°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Development Region |
| Subdivision Type3: | District |
| Subdivision Type4: | Province |
| Subdivision Name1: | Central |
| Subdivision Name3: | Bara |
| Subdivision Name4: | Madhesh |
| Established Date: | 2016 A.D. (2073 B.S.) |
| Leader Title: | Mayor |
| Leader Name: | Upen Prasad (NC) |
| Leader Title1: | Deputy Mayor |
| Leader Name1: | Tara Devi (NC) |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Website: | http://mahagadimaimun.gov.np |
| Timezone: | NST |
| Utc Offset: | +5:45 |
Mahagadhimai (Nepali: महागढीमाई) is a new municipality in Bara District, named after the temple of goddess Gadhimai.Nepal, composed of Bariyarpur, Ganjbhawanipur, Patrahati, Babuaayen, Malhani, Dahiyaar, Bagdampur, Kawahi Madhuri (Kawahijabdi), Telkuwa, Dharampur, Inarwa, Benauli, that was announced by the Government of Nepal in 2014.[1] The municipality has an area of 40.30 km2.[2] The office of the municipality is in Bariyarpur. The mayor is Upan Yadav of the Nepali Congress party, who was elected in September 2017 and re-elected in 2022 .[3] [4]