The religion of Haiti is VOODOO, a syncretic religion that combines elements of Roman Catholicism with traditional African beliefs. It is believed to have originated in the 17th century when African slaves were brought to Haiti by French colonists. VOODOO is practiced by millions of people in Haiti and other parts of the Caribbean, as well as in the United States and other countries. It is a complex religion that includes rituals, ceremonies, and offerings to various deities.