| Rapti-Sonari Rural Municipality | |
| Pushpin Label Position: | bottom |
| Native Name: | राप्तिसोनारी गाउँपालिका |
| Settlement Type: | Gaunpalika |
| Pushpin Map: | Nepal Lumbini Province# Nepal |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Lumbini Province |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lumbini Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Banke District |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Area Total Km2: | 1042 |
| Area Rank: | 9th (Nepal) |
| Population Total: | 60,925 |
| Population Rank: | 1st (Nepal) |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 28.0444°N 81.9553°W |
| Website: | http://raptisonarimun.gov.np/ |
Rapti-Sonari Rural Municipality (Nepali :राप्तिसोनारी गाउँपालिका) is a Gaunpalika in Banke District in Lumbini Province of Nepal. On 12 March 2017, the government of Nepal implemented a new local administrative structure. With the implementation of the new structure, VDCs have been replaced with municipal and Village Councils. Rapti-Sonari is one of these 753 local units.[1]
At the time of the 2011 Nepal census, Rapti-Sonari Rural Municipality had a population of 60,925. Of these, 48.3% spoke Tharu, 41.1% Nepali, 4.7% Awadhi, 4.2% Urdu, 1.1% Magar, 0.2% Maithili, 0.1% Hindi, 0.1% Doteli and 0.2% other languages as their first language.
In terms of ethnicity/caste, 49.2% were Tharu, 21.3% Chhetri, 6.8% Magar, 4.4% Kami, 4.4% Musalman, 1.9% Kumal, 1.7% Damai/Dholi, 1.7% Hill Brahmin, 1.6% Yadav and 7.0% others.
In terms of religion, 94.4% were Hindu, 4.3% Muslim, 0.9% Christian and 0.4% Buddhist.[2]