| Official Name: | Sankin Ail |
| Native Name: | Санькин Аил |
| Settlement Type: | Village |
| Pushpin Map: | Russia Altai Republic#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Republic |
| Subdivision Name3: | Turochaksky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.1833°N 93°W[1] |
Sankin Ail (Russian: Санькин Аил; Southern Altai: Тагда-Айыл, Tagda-Ayıl) is a rural locality (a selo) in Tondoshskoye Rural Settlement of Turochaksky District, the Altai Republic, Russia. The population was 115 as of 2016.[2] There are 6 streets.
Sankin Ail is located near the Biya River, 9 km south of Turochak (the district's administrative centre) by road. Turochak is the nearest rural locality.[3]