| Luiro | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Finland |
Luiro is a river of Finland. It is a tributary of Kitinen, that itself is a tributary of Kemijoki. The river flows through the municipalities of Sodankylä, Savukoski and Pelkosenniemi in Finnish Lapland. The Lokka Reservoir is located in the middle course of the river.