The Bucheon International Fantastic Film Festival, or BiFan, formerly known as Puchon International Fantastic Film Festival or PiFan, is an international film festival held annually in July in Bucheon, South Korea. Inaugurated in 1997, the festival focuses on South Korean and international horror, thriller, mystery and fantasy films, with particular attention to Asian cinema from East Asia and Southeast Asia. It is a non-competitive international film festival, with partial competition, awarding a number of awards.

Bucheon is a city in Gyeonggi Province, South Korea. Bucheon is located 25 kilometers (16 mi) away from Seoul, of which it is a satellite city. It is located between Incheon and Seoul.