| Vuosnayoki | |
| Name Other: | Vuosnajoki |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Subdivision Type3: | Region |
| Subdivision Name3: | Murmansk Oblast |
| Length: | 66km (41miles) |
| Discharge1 Location: | mouth |
| Discharge1 Avg: | 8m3/s |
| Mouth: | Lake Nivayarvi |
| Progression: | Lake Nivayarvi→ Kutsayoki→ |
| Basin Size: | 661km2 |
The Vuosnayoki (ru|Вуоснайоки, fi|Vuosnajoki) is a river in the south of the Kola Peninsula in Murmansk Oblast, Russia. It is long, and has a drainage basin of . The river flows into the Lake Nivayarvi, which is drained by the Kutsayoki.