Here is a list of the top 100 known religions in the world, along with their founder (if known) and the country in which they originated:
- Christianity - founded by Jesus Christ in Israel
- Islam - founded by Muhammad in Saudi Arabia
- Hinduism - originated in India, no single founder
- Buddhism - founded by Siddhartha Gautama in India
- Sikhism - founded by Guru Nanak in India
- Confucianism - originated in China, founded by Confucius
- Taoism - originated in China, founder unknown
- Shinto - originated in Japan, founder unknown
- Judaism - originated in Israel, no single founder
- Baha'i Faith - founded by Baha'u'llah in Iran
- Zoroastrianism - founded by Zoroaster in Persia (modern-day Iran)
- Jainism - founded by Mahavira in India
- Wicca - originated in England, no single founder
- Scientology - founded by L. Ron Hubbard in the United States
- Rastafarianism - originated in Jamaica, no single founder
- Animism - no single founder, practiced in various countries
- Voodoo - originated in Africa, practiced in various countries
- Santeria - originated in Cuba, syncretism of African and Catholic beliefs
- Candomble - originated in Brazil, syncretism of African and Catholic beliefs
- Shakers - originated in England, founded by Mother Ann Lee
- Shakers - originated in England, founded by Mother Ann Lee
- Hare Krishna - founded by A. C. Bhaktivedanta Swami Prabhupada in India
- Native American religions - various beliefs and practices among indigenous peoples in North and South America
- Scientology - founded by L. Ron Hubbard in the United States
- Eckankar - founded by Paul Twitchell in the United States
- Satanism - various beliefs and practices, no single founder
- Thelema - founded by Aleister Crowley in England
- Druidry - originated in ancient Celtic cultures, revivalist movement in modern times
- Eckankar - founded by Paul Twitchell in the United States
- Humanism - originated in Greece, no single founder
- Unitarian Universalism - originated in the United States, no single founder
- New Age - no single founder, various beliefs and practices
- Spiritualism - originated in the United States, no single founder
- Gnosticism - ancient movement, no single founder
- Zulu religion - originated in South Africa, various beliefs and practices
- Cao Dai - founded by Ngo Van Chieu in Vietnam
- Omotik religion - originated in Kenya, various beliefs and practices
- Tenrikyo - founded by Nakayama Miki in Japan
- Umbanda - originated in Brazil, syncretism of African and Catholic beliefs
- Falun Gong - founded by Li Hongzhi in China
- Raelism - founded by Claude Vorilhon in France
- Universalism - originated in the United States, various beliefs and practices
- Winti - originated in Suriname, syncretism of African and Amerindian beliefs
- Candomble - originated in Brazil, syncretism of African and Catholic beliefs
- Cargo cults - originated in Melanesia, various beliefs and practices
- Neo-paganism - various beliefs and practices, no single founder
- Mandaeanism - originated in Iraq, no single founder
- Druze - founded in Egypt, spread to Syria, Lebanon, and Israel
- Bön - founded in Tibet
- Caodaism - founded in Vietnam
- Cheondoism - founded in Korea
- Cofán - originated in Ecuador
- Discordianism - founded in the United States
- Divine Light Mission - founded in India
- Church of the Flying Spaghetti Monster - founded in the United States
- Fourth Way - founded by George Gurdjieff in Russia
- Hoa Hao - founded in Vietnam
- I-Kuan Tao - founded in China
- Iglesia ni Cristo - founded in the Philippines
- Kabbalah - originated in Judaism, mystical interpretation of the Torah
- Kemetism - revival of ancient Egyptian religion
- LaVeyan Satanism - founded by Anton LaVey in the United States
- Luciferianism - various beliefs and practices, no single founder
- Mandaeism - originated in Iraq
- Manichaeism - founded by Mani in Persia (modern-day Iran)
- Mithraism - ancient Roman religion, based on worship of the god Mithras
- Movimento Tradicionalista Di Liguria - founded in Italy
- Nation of Islam - founded in the United States
- Neoplatonism - originated in Greece, philosophical and spiritual movement
- Oomoto - founded in Japan
- Perfect Liberty Kyodan - founded in Japan
- Raëlism - founded by Claude Vorilhon in France
- Romuva - revival of pre-Christian Lithuanian religion
- Satanism - various beliefs and practices, no single founder
- Seicho-no-Ie - founded in Japan
- Shaivism - originated in India, worship of the god Shiva
- Sufism - mystical branch of Islam
- Supayalat - founded in Burma (Myanmar)
- Theosophy - founded by Helena Blavatsky in the United States
- Thuggee - ancient Indian cult, no single founder
- Universal Sufism - founded by Inayat Khan in India
- Vajrayana - Tibetan Buddhism, esoteric practices
- Vedism - ancient Indian religion, predecessor to Hinduism
- Witta - originated in England
- Yazdânism - originated in Iraq and Iran
- Yoruba religion - originated in Nigeria, syncretism of African and Catholic beliefs
- Zen - originated in China, spread to Japan
- Asatru - revival of pre-Christian Nordic religion
- Brahmoism - originated in India, founded by Raja Ram Mohan Roy
- Freemasonry - originated in Europe, no single founder
- Gaudiya Vaishnavism - originated in India, founded by Chaitanya Mahaprabhu
- Heathenry - revival of pre-Christian Germanic religion
- Humanism - originated in Greece, various beliefs and practices
- Kriya Yoga - founded by Lahiri Mahasaya in India
- Luciferianism - various beliefs and practices, no single founder
- Martinism - founded by Martinez de Pasqually in France
- Odinism - revival of pre-Christian Nordic religion
- Ravidassia religion - originated in India, founded by Ravidas
- Shaktism - originated in India, worship of the goddess Shakti
- Shinshukyo - Japanese new