Cognomen Sonkum (Sonkum 
) , globally, is a very rare last name. The surname Sonkum is habitual in Thailand, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Likewise, Sonkum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sonkum | Nigeria, India, Thailand |