Cognomen Jaklang (Jaklang 
) , in all the world, is a very rare family name. The last name Jaklang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jaklang | Thailand |
Jutharat, Mr. Thaworn, Chanaporn, and Thanupong