Cognomen วัชรการ (วัชรการ 
, Vatchakarn , Vajrakarn ) , globally, is a very rare surname. The last name วัชรการ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, วัชรการ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วัชรการ, Vajrakarn, Watchrakarn, Vatchakarn | Thailand |