Family name วิทยากรณ์ (Speaker 
, วิทยากรณ์ 
, Wittayakorn ) , around the globe, is quite a rare last name. The surname วิทยากรณ์ is habitual in Singapore, where it is a rare surname, the United States, and Belgium. In absolute terms, this name is the most popular in the United States, Indonesia, and Myanmar. Very seldom, วิทยากรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Speaker | Canada, Myanmar, United States, Egypt, Indonesia |
| วิทยากรณ์, Wittayakorn | Thailand |