| Mattim Birta | |
| Native Name: | मात्तिमबिर्ता |
| Settlement Type: | Village Development Committee |
| 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: | Sagarmatha Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Khotang District |
| Unit Pref: | Imperial |
| Population As Of: | 1991 |
| Population Total: | 5021 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Utc Offset: | +5:45 |
| Coordinates: | 27.1619°N 86.8331°W |
Mattim Birta is a town and Village Development Committee in Khotang District in the Sagarmatha Zone of eastern Nepal. At the time of the 1991 Nepal census it had a population of 5,021 persons residing in 899 individual households.[1]