| Official Name: | Zapadny Ugol |
| Native Name: | Западный Угол |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Klyuchevsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.1167°N 113°W[1] |
Zapadny Ugol (Russian: Западный Угол) is a rural locality (a selo) in Petukhovsky Selsoviet, Klyuchevsky District, Altai Krai, Russia. The population was 80 as of 2013.[2] There are 3 streets.
Zapadny Ugol is located 41 km southeast of Klyuchi (the district's administrative centre) by road. Poluyamki is the nearest rural locality.[3]