| Siyari Rural Municipality | |
| Area Total Km2: | 66.17 |
| Population Total: | 38,466 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Pushpin Map: | Nepal |
| Coordinates: | 27.5662°N 83.4015°W |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Nepal |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lumbini Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Rupandehi District |
| Website: | http://siyarimun.gov.np/ |
| Native Name: | सियारी गाउँपालिका |
| Settlement Type: | Gaunpalika |
Siyari Rural Municipality (Nepali :सियारी गाउँपालिका) is a Gaunpalika in Rupandehi 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 local administrative structure, VDCs have been replaced with municipal and Village Councils. Siyari is one of these 753 local units.[1] [2]
There are 7 wards in Siyari Gaunpalika which is a combination of former Chilhiya, Mainahiya, Harnaiya, Dayanagar and West Amawaa VDC.