| Official Name: | Kadnikovo |
| Native Name: | Кадниково |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Mamontovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.85°N 135°W[1] |
Kadnikovo (Russian: Кадниково) is a rural locality (a selo) and the administrative center of Kadnikovsky Selsoviet, Mamontovsky District, Altai Krai, Russia. The population was 801 as of 2013.[2] There are 9 streets.
Kadnikovo is located 30 km northeast of Mamontovo (the district's administrative centre) by road. Bukanskoye is the nearest rural locality.[3]