| Sidingwa | |
| Native Name: | सिदिङ्वा |
| Native Name Lang: | ne |
| Settlement Type: | Rural Municipality |
| Map Alt: | Sidingwa |
| Pushpin Map Caption: | Location in Koshi Province, Nepal |
| Subdivision Type: | Country |
| Subdivision Name: | Nepal |
| Subdivision Type1: | Province |
| Subdivision Type2: | District |
| Subdivision Name1: | Koshi Province |
| Subdivision Name2: | Taplejung District |
| Government Type: | Rural Municipality |
| Leader Title: | Chairperson |
| Leader Name: | Mr.Nara Bahadur Kadariya (NC) |
| Leader Title1: | Vice-chairperson |
| Leader Name1: | Mr.Jivan Kumar Tamling (NCP) |
| Established Title: | Established |
| Established Date: | 10 March 2017 |
| Area Total Km2: | 206 |
| Population Total: | 12,099 |
| Population As Of: | 2017 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Timezone1: | NST |
| Utc Offset: | +5:45 |
| Postal Code Type: | Postal Code |
| Blank1 Name Sec1: | Pratinidhi Sabha constituency |
| Blank1 Info Sec1: | Taplejung 1 |
| Blank2 Name Sec1: | Pradesh Sabha constituency |
| Blank2 Info Sec1: | Taplejung 1(A) |
| Website: | official website |
Sidingwa is a Gaupalika(Nepali: गाउपालिका ; gaupalika)(Formerly: village development committee) located in Taplejung District in the Koshi Province of eastern Nepal. The local body was formed by merging seven VDCs namely limbudin, Kalikhola,Sadewa, Ankhop, Sablakhu, Mehele, Surumkhim. Currently, it has a total of 7 wards. The population of the rural municipality is 12,099 according to the data collected on 2017 Nepalese local elections.
According to the 2021 Nepal census, the total population of the rural municipality is 10,979 individuals in which 5,531 individuals are male and the remaining 5,448 are female. These populations live in total 2,476 households. 80% of the population are considered as educated. [2]
In the context of ethnic groups in the rural municipality Limbu people or Yakthung is the biggest ethnic group. Kshetri, Rai people, Bishwakarma, Tamang people, Bahun, Gurung people, Yakkha, Newar people and Mijar are following continuously on second, third, forth and so on.[3]