In all the world, วิศาลศักดิ์ (วิศาลศักดิ์ 
, Visansak , Visalsak 
) is a very rare primarily boy's, but very infrequently girly first name. The forename วิศาลศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly boy's, but very infrequently female name. Also, วิศาลศักดิ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Visansak, Wisansak, วิศาลศักดิ์ | Thailand |
| Visalsak | Thailand, United States |