Surname Phrayao (พะเยา 
, Phrayao ) , around the world, is an extremely rare cognomen. The cognomen Phrayao is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Phrayao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phrayao, พะเยา | Thailand |