Phayao (disambiguation)

Phayao may refer to:
 * Phayao, capital of Phayao Province, Thailand
 * Phayao Province, Thailand
 * Phayao Kingdom, a kingdom in northern Thailand
 * Amphoe Mueang Phayao or Mueang Phayao District, capital district of Phayao Province, Thailand
 * Phayao lake an artificial lake in northern Thailand, bordering on the town Phayao