Family name วิทยเสริมเสถียร (วิทยเสริมเสถียร 
) , in all the world, is an extremely rare cognomen. The family name วิทยเสริมเสถียร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วิทยเสริมเสถียร | Thailand |