| Official Name: | Thulo Sirubari |
| Native Name: | ठूलो सिरुवारी |
| Settlement Type: | City |
| Pushpin Map: | Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Zone |
| Subdivision Name1: | Bagmati Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Sindhupalchok District |
| Population As Of: | 1991 |
| Population Total: | 5602 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Population Blank2: | Hindu |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 27.73°N 85.71°W |
Thulo Sirubari is a village and market center of Chautara Sangachowkgadi Municipality in Sindhupalchok District in the Bagmati Zone of central Nepal. The formerly Village Development Committee was merged to the new municipality in 2017. At the time of the 1991 Nepal census it had a population of 5602 and had 998 houses in it.[1] house hold survey in 2023, population of 5556 and 1173 house in it.