Cognomen นักปราชญ์ (นักปราชญ์ 
, Clewer 
, Wisiansast ) , in all the world, is a rare last name. The cognomen นักปราชญ์ is characteristic of the United Kingdom, where it is a rare surname, Finland, and Thailand. Not in comparison with a country's population, it is the most numerous in the United Kingdom, Thailand, and Australia. Very seldom, นักปราชญ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wisiansast, Nuchnant, นักปราชญ์ | Thailand |
| Clewer | Germany, United Kingdom, United States, Finland, Australia |
Aekphusist, Bhummidist, Nakpard, Nakprat, Nakwises, Nolpradist, Ornsopist, Papist, Philosopher, Pundisto, Punpuet, Sageevemon, Sagesser, Sakwises, Schopler, Sencier, Shanyanist, Varanist, and Wismer