List of major Hindu castes / communities and surnames:
Nair, Ezhava, Thiyya, Nambiar, Dheevara, Ezhuthachan, Saliya / Chaliyan, Vanika Vyshya, Vishwakarma (Carpenters, Blacksmiths, Goldsmiths etc.), Vilakkithala Nair, Thandan, Sambava, Ambalavasi, Variar, Guptan, Pillai, Namboodiri / Nambudiri (Brahmin), Palakkad Iyer (Brahmin), Embranthiri (Brahmin), Pushpaka (Brahmin), Veera Saivam, Veluthedathu Nair, Kudumbi, Panicker / Panikkar, Nadar, Vellalar, Kavuthiyya (Ezhavathy), Vaniya, Chettiar, Yadava etc.
List of major Christian Denomination / Caste / Subsect:
Anglican, Anglo-Indian, Assembly of God / AG, Born Again, Church of South India / CSI, Evangelical, Jacobite, Kerala Brethren, Knanaya, Malankara, Marthoma, Orthodox, Pentecostal, Protestant, Roman / Latin Catholic, Syrian Catholic, Syro Malabar, etc.
Other Christian Denominations:
Adventist, Assyrian, Baptist, Bretheren, Calvinist, Church of Christ, Church of God, Church of North India / CNI, Congregational, Jehovah's Witnesses, Latter-day Saints, Lutheran, Melkite, Mennonite, Methodist, Moravian, Salvation Army, Seventh-Day Adventist, etc.
Catholic Diocese in Kerala:
Sultanpet Diocese, Ernakulam-Angamaly Archdiocese, Muvattupuzha Diocese, Bathery Diocese, Tiruvalla Archdiocese, Pathanamthitta Diocese, Mavelikara Diocese, Trivandrum Major Archdiocese, Quilon Diocese, Punalur, Neyyattinkara Diocese, Alleppey Diocese, Trivandrum Archdiocese, Vijayapuram Diocese, Kottapuram Diocese, Kannur Diocese, Cochin Diocese, Calicut Diocese, Kottayam Archdiocese, Thamarassery Diocese, Mananthavady Diocese, Tellicherry Archdiocese, Palakkad Diocese, Irinjalakuda Diocese, Palai Diocese, Kanjirapally Diocese, Changanacherry Archdiocese, Kothamangalam Diocese, Idukki Diocese, Verapoly Archdiocese, Trichur Archdiocese
Mappila / Shafi / Hanafi / Mujahid are some of the notable Muslim communities in Kerala.
Nair Matrimonial Sites:
Kerala Christian Matrimony:
Muslim Matrimony Sites:
Malayogam Online, Manorama Matrimonial, Malayalee Shaadi, Anugraha Matrimony, Garuda Matrimony, Sree Chakra Matrimony, Zindagi Matrimony, Intimate Matrimony, Malayalam Matrimonial, Kerala Matrimonials, Mathrubhumi Matrimonial
Matrimonial sites for Kerala, Tamil, Telugu & Kannada Brahmins:
Other Kerala & Tamil Matrimonial Sites:
Devar Matrimony, Coimbatore Matrimony, Jangam Marriage, Multi Matrimony, Naidu Matrimony, Nadar Marriage, Mudaliar Matrimony, Vanniar Matrimony, Vishwakarma Marriage, Yadav Marriage, Pillai Marriage, Kongu Vellala Gounder Matrimony, Bharat Matchpoint, Vishwakarma Matrimony
Telugu Matrimonial Sites:
Indian Matrimony Sites: