Kanzeon-ji (観世音寺) is a seventh-century Buddhist temple in Dazaifu, Fukuoka, Fukuoka Prefecture, Japan. It was once the most important temple in Kyushu. Its bell, one of the oldest in the country, has been designated a National Treasure, and in 1996 the Ministry of the Environment designated its sound as one of the 100 Soundscapes of Japan. Many statues of the Heian period are Important Cultural Properties.