Idukki is a district in the Western Ghats in Kerala state, southern India with its capital in Painavu.
Idukki may also refer to: Idukki township, a township in the district Idukki Dam, Kerala, India Idukki (Lok Sabha constituency), an Indian federal parliamentary constituency in Kerala Idukki (State Assembly constituency), one of the 140 NiyamaSabha electoral colleges in Kerala Syro-Malabar Catholic Eparchy of Idukki (Eastern Catholic diocese, Chaldean = Syro-Oriental Rite)