| Official Name: | Udalnoye |
| Native Name: | Удальное |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Tabunsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.8167°N 129°W[1] |
Udalnoye (Russian: Удальное) is a rural locality (a selo) in Tabunsky Selsoviet, Tabunsky District, Altai Krai, Russia. The population was 215 as of 2013.[2] There is 1 street.
Udalnoye is located 9 km northeast of Tabuny (the district's administrative centre) by road. Zabavnoye is the nearest rural locality.[3]