Hòa Hảo is a Vietnamese new religious movement. It is described either as a syncretistic folk religion or as a sect of Buddhism. It was founded in Cochinchina in 1939 by Huỳnh Phú Sổ (1920–47), who is regarded as a saint by its devotees. It is one of the major religions of Vietnam with between one million and eight million adherents, mostly in the Mekong Delta.
The religious philosophy of Hòa Hảo, which rose from the Miền Tây region of the Mekong Delta, is essentially Buddhist. It reforms and revises the older Bửu Sơn Kỳ Hương tradition of the region, and possesses quasi-millenarian elements. Hòa Hảo is an amalgam of Buddhism, ancestor worship, animistic rites, elements of Confucian doctrine, and the White Lotus religion, transformed and adapted to the mores and customs of the peasants of the region. Coming from the remote edges of Southern Vietnam, it opposes urban life and prefers a communitarian lifestyle. Unlike orthodox Buddhism, Hòa Hảo eschews elaborate rituals and temples, maintains no monastic order, and teaches home practice. It also advocates that each devotee can have direct communion with the Buddha, and that inner faith is more important than external rites. Regular Hòa Hảo rites are limited to four prayers a day, while the devotees are to maintain the Three Fundamental Bonds and Five Constant Virtues.