| Thar | |
| Native Name: | محافظة ثار |
| Native Name Lang: | ِArabic |
| Settlement Type: | Governorate |
| Subdivision Type: | Country |
| Subdivision Name: |  Saudi Arabia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Najran Region |
| Population Total: | 16,047 |
| Population As Of: | 2016 |
| Population Footnotes: | [1] |
| Timezone: | EAT |
| Utc Offset: | +3 |
| Timezone Dst: | EAT |
| Utc Offset Dst: | +3 |
Thar (ثار) is one of the governorates in Najran Region, Saudi Arabia.[2] [3]