| Ostay Rural District | |
| Native Name: | Persian: دهستان استای |
| Native Name Lang: | fa |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Salehabad |
| Subdivision Type3: | District |
| Subdivision Name3: | Jannatabad |
| Seat Type: | Capital |
| Seat: | Kariz Kohandel |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Ostay Rural District (Persian: دهستان استای) is in Jannatabad District of Salehabad County, Razavi Khorasan province, Iran. Its capital is the village of Kariz Kohandel,[2] whose population at the time of the 2016 National Census was 1,598 in 395 households.[3]
In 2017, Salehabad District was separated from Torbat-e Jam County in the establishment of Salehabad County. Ostay Rural District was created in the new Jannatabad District.[2]