| Official Name: | Shirgaytu |
| Native Name: | Шыргайту |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Republic#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Republic |
| Subdivision Name3: | Shebalinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 51.2°N 102°W[1] |
Shirgaytu (Russian: Шыргайту; Southern Altai: Шыргайты, Şırgaytı) is a rural locality (a selo) in Shebalinsky District, the Altai Republic, Russia. The population was 511 as of 2016.[2] There are 10 streets.
Shirgaytu is located 104 km southwest of Shebalino (the district's administrative centre) by road. Baragash is the nearest rural locality.[3]