| Kaptanganj | |
| Native Name: | कप्तानगन्ज |
| 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: | Kosi Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Sunsari District |
| Population As Of: | 1991 |
| Population Total: | 6084 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 26.43°N 87.14°W |
Kaptanganj is a village development committee in Sunsari District in the Kosi Zone of south-eastern Nepal. At the time of the 1991 Nepal census it had a population of 6084 people living in 1034 individual households.[1]