| Official Name: | Kazantsevo |
| Native Name: | Казанцево |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Zarinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.85°N 97°W[1] |
Kazantsevo (Russian: Казанцево) is a rural locality (a settlement) in Novodrachyoninsky Selsoviet, Zarinsky District, Altai Krai, Russia. The population was 105 as of 2013.[2] There are 5 streets.
Kazantsevo is located 35 km northeast of Zarinsk (the district's administrative centre) by road. Smaznevo is the nearest rural locality.[3]