Kunnathur has several Hindu temples like Nediyavila Devi temple, Kokkamkavu Durga Devi temple, Puthanambalam Devi temple, Thalappil Devi temple, Karimpinpuzha Shiva temple and Malanada [duriyodhana] temple. There are also churches like Emmanuel Marthoma church Thuruthikkara, St.George Orthodox Church Thottathumuri, etc. in Kunnathur