| Official Name: | 31 km |
| Native Name: | 31 км |
| Settlement Type: | Passing loop |
| Pushpin Map: | Russia Kemerovo Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Kemerovo Oblast |
| Subdivision Name3: | Yurginsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +07:00 |
| Coordinates: | 55.4689°N 84.7581°W |
31 km (Russian: 31 км) is a rural locality (a passing loop) in Arlyukskoye Rural Settlement of Yurginsky District, Russia. The population was 70 as of 2010.[1] There is one street.[2]
31 km is located 47 km south of Yurga (the district's administrative centre) by road. Lineyny is the nearest rural locality.[3]