普鲁韦西湖是芬兰的湖泊，位于该国东部南萨沃尼亚区和北卡累利阿区，面积416.35平方公里，海拔高度75.8米，平均水深8.76米，最大水深61米。

Puruvesi is a lake in Eastern Finland. The lake is located in Kerimäki, Kesälahti and Punkaharju municipalities. Part of the Saimaa lake system, it borders on the sub-lake system of Pihlajavesi to the south. As is the case of other lakes of Saimaa, it has numerous islands and consists of numerous open lake areas, of which largest are Hummonselkä, Pajuselkä, Sammalselkä, Mustanselkä, and Ruosteselkä.