| Official Name: | Kazantsevo |
| Native Name: | Казанцево |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Kuryinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 51.35°N 103°W[1] |
Kazantsevo (ru|Казанцево) is a rural locality (a selo) in and the administrative center of Kazantsevsky Selsoviet, Kuryinsky District, Altai Krai, Russia. The population was 250 as of 2013.[2] There are 6 streets.
Kazantsevo is located 34 km south of Kurya (the district's administrative centre) by road. Rudovozovo is the nearest rural locality.[3]