| Official Name: | Sandin 2-y |
| Native Name: | Сандин 2-й |
| Native Name Lang: | ru |
| Settlement Type: | Village |
| Pushpin Map: | Russia Bashkortostan#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Bashkortostan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Kuyurgazinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +5:00 |
| Coordinates: | 52.65°N 92°W[1] |
Sandin 2-y (Russian: Сандин 2-й; Bashkir: 2-се Санйын, 2-se Sanyın) is a rural locality (a village) in Yermolayevsky Selsoviet, Kuyurgazinsky District, Bashkortostan, Russia. The population was 149 as of 2010.[2] There are 3 streets.
Sandin 2-y is located 14 km southwest of Yermolayevo (the district's administrative centre) by road. Sandin and Mayachny are the nearest rural localities.[3]