Cognomen พยาน (Phayan 
, พยาน , Witnee 
) , all over the world, is a rare family name. The cognomen พยาน is habitual in Southern Asia, particularly India, where it is a very rare surname. Likewise, พยาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phayan | India, Thailand |
| พยาน | Thailand |
| Witnee | United States, Thailand, Brazil |