| Official Name: | Sentelek |
| Native Name: | Сентелек |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Charyshsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 51.2°N 128°W[1] |
Sentelek (Russian: Сентелек) is a rural locality (a selo) in Senteleksky Selsoviet, Charyshsky District, Altai Krai, Russia. The population was 805 as of 2013.[2] There are 11 streets.
Sentelek is located 34 km south of Charyshskoye (the district's administrative centre) by road. Pokrovka is the nearest rural locality.[3]