Cognomen Seowhui (Seowhui 
) , in the entire world, is an extremely rare last name. The cognomen Seowhui is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname. Likewise, Seowhui is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seowhui | Thailand, Malaysia, Singapore |