WAYO may refer to:

• WAYO (FM), a radio station (89.9 FM) licensed to Benton Harbor, Michigan, United States
• Wayo, a Japanese architectural and artistic style

is the name given to a style developed in art and architecture in Japan during the Heian period, mainly by the esoteric sects Tendai and Shingon. Together with Zenshuyo and Daibutsuyo, it is one of the three most significant styles developed by Japanese Buddhism on the basis of Chinese models.