| Taaysar | |
| Other Name: | Tajsar |
| Settlement Type: | village |
| Pushpin Map: | India Rajasthan#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Rajasthan, India |
| Coordinates: | 28.0206°N 75.0052°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Rajasthan |
| Subdivision Type2: | District |
| Subdivision Name2: | Sikar |
| Unit Pref: | Metric |
| Area Total Km2: | 8 |
| Population Total: | 3500 |
| Population As Of: | 2012 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 332301 |
| Registration Plate: | RJ23 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Fatehpur, Rajasthan |
| Iso Code: | RJ-IN |
Tajsar is a village in Fatehpur tehsil of Sikar district in Rajasthan, India.