Surname Waiyakon (ไวยากรณ์ 
, Waiyakon ) , in the world, is a rare cognomen. The surname Waiyakon is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, Waiyakon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Waiyakon, ไวยากรณ์ | Thailand |