The Nautsiyoki (Russian: Наутсийоки) is a river in the north of the Kola Peninsula in Murmansk Oblast, Russia. It is 25 kilometers (16 mi) in length. The river originates in the Lake Ala-Nautsiyarvi and flows into the Paatsjoki. Its biggest tributary is the Kokhisevanjoki.

Nautsiyoki
Map
Native nameНаутсийоки (Russian)
Location
CountryRussia
RegionMurmansk Oblast
Physical characteristics
Source 
 • locationLake Ala-Nautsiyarvi
 • elevation153 m (502 ft)
MouthPaatsjoki
Length25 km (16 mi)
Basin features
ProgressionPaatsjokiBarents Sea