| al-H̨āyir | |
| Native Name: | الحاير |
| Native Name Lang: | ar |
| Pushpin Map: | Saudi Arabia |
| Coordinates: | 25.79°N 45.38°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Saudi Arabia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Riyadh Province |
| Population Total: | 13473 |
| Population As Of: | 2004 |
| Population Density Km2: | auto |
| Timezone: | EAT |
| Utc Offset: | +3 |
| Timezone Dst: | EAT |
| Utc Offset Dst: | +3 |
al-H̨āyir, Al Ha'ir, Ha'ir or Hayer (Arabic: الحائر or Arabic: الحاير) is a small town in Riyadh Province, Saudi Arabia. It is located by road northwest of Riyadh, in the valley known as Wadi Hanifa.[1] As of the 2004 census it had a population of 13,473 people.[2] The Ha'ir dam serves the area, and it also contains Ha'ir prison.