伊纳里湖 （芬兰语：Inarijärvi）是芬兰面积第三大的湖泊。位于芬兰北部的拉普兰地区。处在北极圈范围内。湖中有多达3318个岛屿，其中最知名的一个岛屿是Hautuumaasaari岛。每年11月到次年6月初期间湖面封冻。

Lake Inarijärvi (Finnish:Inarijärvi/Inarinjärvi, Northern Sami:Anárjávri, Inari Sami:Aanaarjävri, Skolt Sami:Aanarjäuˊrr, Swedish:Enare träsk, Norwegian:Enaresjøen) is the largest lake in Sápmi and the third-largest lake in Finland. It is located in the northern part of Lapland, north of the Arctic Circle. The lake is 117–119 meters above sea level and it is regulated at the Kaitakoski power plant in Russia. The freezing period normally extends from November to early June.