Cognomen พิชาธร (Pichatorn 
, พิชาธร , Pichathorn 
) , in the entire world, is an extremely rare surname. Much more frequently, พิชาธร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิชาธร, Pichatorn | Thailand |
| Pichathorn | Denmark, Thailand |