Enmyō-in (圓明院) is a Buddhist temple of the Shingon Chizan sect located in the city of Kimitsu in Chiba Prefecture. Its honzon, or primary object of veneration, is a statute of Fudō Myōō. A well-known kaya, or Japanese nutmeg-yew tree, of almost 5.4 meters in circumference is located within the temple grounds. A small hall was built at Enmyō-in in 1989 dedicated to prayers for traffic safety.
Shingon Buddhism (真言宗, Shingon-shū) is one of the major schools of Buddhism in Japan and one of the few surviving Vajrayana lineages in East Asia, originally spread from India to China through traveling monks such as Vajrabodhi and .