| Official Name: | Lopatinka |
| Native Name: | Лопатинка |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Tretyakovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 50.9°N 87°W[1] |
Lopatinka (Russian: Лопатинка) is a rural locality (a settlement) in Yekaterininsky Selsoviet, Tretyakovsky District, Altai Krai, Russia. The population was 104 as of 2013.[2] There is 1 street.
Lopatinka is located 23 km southeast of Staroaleyskoye (the district's administrative centre) by road. Novokamyshenka is the nearest rural locality.[3]