The religious landscape of Meenachil is diverse, with a notable majority of Syro-Malabar Catholics, alongside vibrant Hindu and Muslim communities.
* **Christianity:** The Eparchy of Palai is a major administrative center for the Syro-Malabar Catholic Church. Key sites include St. Thomas Cathedral (Pala), St. Mary’s Forane Church (Kuravilangad—believed to date back to 105 AD), and St. Alphonsa Shrine (Bharananganam). * **Hinduism:** Major temples include the Lalam Mahadeva Temple (often called the Kashi of the South) and the Kadappattor Mahadeva Temple on the banks of the Meenachil River. * **Islam:** Erattupetta, a major town in the taluk, has a significant Muslim population and hosts prominent mosques like the Nainar Juma Masjid.