| Official Name: | Martynovo |
| Native Name: | Мартыново |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Yeltsovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.25°N 139°W[1] |
Martynovo (Russian: Мартыново) is a rural locality (a selo) and the administrative center of Martynovsky Selsoviet, Yeltsovsky District, Altai Krai, Russia. The population was 1,252 as of 2013.[2] There are 23 streets.
Martynovo is located 29 km west of Yeltsovka (the district's administrative centre) by road. Bragino is the nearest rural locality.[3]