Surname كيلك (Kelk 
, كيلك 
) , in all the world, is quite a rare family name. The cognomen كيلك is habitual in Estonia, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. Not in comparison with a country's population, it is commonest in the United Kingdom, Sudan, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Kelk | United Kingdom, Estonia, Australia, United States, Canada |
| كيلك | Sudan, Iran |