| Official Name: | Udalovka |
| Native Name: | Удаловка |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Republic#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Republic |
| Subdivision Name3: | Turochaksky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.35°N 142°W[1] |
Udalovka (ru|Удаловка; alt|Ала-Кайыҥ, Ala-Kayıñ) is a rural locality (a selo) in Turochaksky District, the Altai Republic, Russia. The population was 160 as of 2016.[2] There are 2 streets.
Udalovka is located 23 km northwest of Turochak (the district's administrative centre) by road. Dmitriyevka and Turochak are the nearest rural localities.[3]