Around the world, วิจารย์ (วิจารย์ 
, Wijan 
) is a rare primarily masculine, but very infrequently female first name. The forename วิจารย์ is characteristic of Thailand, where it is a rare principally boy's, but scarcely feminine name, Indonesia, where it is a very rare male name, and India, where it is an extremely rare unisex name. Likewise, วิจารย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วิจารย์ | Thailand |
| Wijan | Philippines, Morocco, Thailand, Indonesia, Malaysia |