Throughout the world, รัตนวิชญ์ (รัตนวิชญ์ 
, Rattanawic , Rattanavich 
) is an extremely rare unisex forename. Also, รัตนวิชญ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รัตนวิชญ์, Rattanawic | Thailand |
| Rattanavich | United States, Thailand |