Lake Işıklı (Turkish: Işıklı Gölü) is a freshwater lake in Turkey's inner Aegean Region extending on Çivril Plain between the provinces of Denizli and Afyonkarahisar. The lake is bordered by the boundaries of several districts, namely, clockwise Çivril (Denizli Province), the principal urban center of the region, and Kızılören, Dinar and Evciler (Afyonkarahisar Province).