| Aathrai Tribeni | |
| Native Name: | आठराई त्रिवेणी |
| Native Name Lang: | ne |
| Pushpin Map: | Nepal_Province1#Nepal |
| Pushpin Label Position: | top |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Province No. 1 |
| Subdivision Type: | Country |
| Subdivision Name: | Nepal |
| Subdivision Type1: | Province |
| Subdivision Name1: | Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Taplejung |
| Subdivision Type3: | Total wards |
| Subdivision Name3: | 5 |
| Government Type: | Rural Council |
| Leader Title: | Chairperson |
| Leader Name: | Mr. Bishwanath Sitaula (NC) |
| Leader Title1: | Vice-chairperson |
| Leader Name1: | Mrs. Manju Paudyal Bhattrai (NCP) |
| Established Title: | Established |
| Established Date: | 10 March 2017 |
| Area Total Km2: | 88.83 |
| Population Total: | 13,784 |
| Population As Of: | 2011 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Timezone: | NST |
| Utc Offset: | +5:45 |
| Website: | Official Website |
Aathrai Tribeni (ne|आठराई त्रिवेणी) is a rural municipality (gaunpalika) out of eight rural municipality located in Taplejung District of Province No. 1 of Nepal. There are a total of 9 municipalities in Taplejung in which 1 is urban and 7 are rural.
The local body was formed by merging four VDCs namely Nighuradin, Fulbari, Hangpang, Change. Currently, it has a total of 5 wards. The population of the rural municipality is 13,784 according to the data collected on 2017 Nepalese local elections.
As per 2017, Aathrai Tribeni hosts a population of 13,784 across a total area of 88.83 km2.