| Khinwsar | |
| Other Name: | khimsar/ kheenvsar |
| Settlement Type: | town |
| Pushpin Map: | India Rajasthan#India |
| Pushpin Map Caption: | Location in Rajasthan, India |
| Coordinates: | 26.9769°N 73.4008°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Rajasthan |
| Subdivision Type2: | District |
| Subdivision Name2: | Nagaur |
| Established Title: | 16th century by Rao karmasi the first king of this village |
| Established Date: | 16th century |
| Government Type: | Panchayati raj (India) |
| Unit Pref: | Metric |
| Elevation M: | 280 |
| Population Total: | 7319 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics1 Title1: | Official |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Khinvsar is a town and tehsil headquarters in the Nagaur district of Rajasthan state in India. The town is located on the National Highway No. 62 towards Jodhpur 92 km away and from Nagaur 43 km away. Khimsar Fort (16th century) is the chief tourist attraction of this place. Population of Khinvsar is 7,319 according to census 2001, where male population is 3,821 while female population is 3,498.