Cognomen สพรั่ง (Saprang 
, Saphrang 
, สพรั่ง) , in all the world, is a very rare surname. The surname สพรั่ง is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. More prevalently, สพรั่ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saprang | India, Thailand |
| Saphrang | Malaysia, India, Thailand |