Rágesjávri is a lake in the municipality of Kautokeino-Guovdageaidnu in Finnmark county, Norway. The 4.38-square-kilometre (1.69sqmi) lake lies on the Finnmarksvidda plateau, about 22 kilometres (14mi) northeast of the village of Máze and about 22 kilometres (14mi) south of the large lake of Iešjávri.