| Gajansar | |
| Subdivision Type1: | Country |
| Subdivision Name1: | India |
| Subdivision Type2: | State |
| Subdivision Name2: | Gujarat |
| Length: | 37km (23miles) |
| Discharge2 Location: | Arabian Sea |
| Source1 Location: | India |
| Mouth Location: | Arabian Sea, India |
Gajansar River is a river in western India in Gujarat whose origin is near the village of Vigodi. Its drainage basin has a maximum length of 37 km. The total catchment area of the basin is 159 km2.[1]