| Jayanagar | |
| Native Name: | जयनगर |
| 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: | Lumbini Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Kapilvastu District |
| Population As Of: | 1991 |
| Population Total: | 5886 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 27.65°N 83.06°W |
Jayanagar is a village development committee in Kapilvastu District in the Lumbini Zone of southern Nepal. At the time of the 1991 Nepal census it had a population of 5886. The government of Nepal has integrated Jayanagar, Mahendrakot and Dubiya village development committees into Buddhanhumi municipality.[1]
Jayanagar means "Victory Town".