Cognomen วิจักขณา (วิจักขณา 
, Vijakkhana 
) , in the world, is a rare surname. The surname วิจักขณา is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, วิจักขณา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วิจักขณา | Thailand |
| Vijakkhana | United States, Thailand |
Vijakhana, and Wijakkhana