| Katahari | |
| Settlement Type: | Village development committee |
| Mapsize: | 300px |
| 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: | Koshi Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Morang District |
| Population As Of: | 2011-06-22 |
| Population Total: | 39,775 |
| Population Males: | 20,199 |
| Population Females: | 19,576 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 26.47°N 87.32°W |
Katahari is the village development committee (VDC) of the Morang District, located in the Kosi Zone of southeastern Nepal. According to the 2011 Nepal census, it had a population of 39,975 inhabitants.[1]
Katahari is located in southeast Nepal in the Kosi Zone near Biratnagar (बिराटनगर). It has an area of 51.6 km².