| Official Name: | Tretyakovo |
| Native Name: | Третьяково |
| Settlement Type: | Station |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Tretyakovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 50.85°N 134°W[1] |
Tretyakovo (Russian: Третьяково) is a rural locality (a station) and the administrative center of Tretyakovsky Selsoviet, Tretyakovsky District, Altai Krai, Russia. The population was 796 as of 2013.[2] There are 17 streets.
It is located 18 km south from Staroaleyskoye.