Cognomen Namuilik (Namuilik 
, Намуйлик 
) , around the globe, is a rare surname. The surname Namuilik is characteristic of Belarus, where it is a rare surname, Ukraine, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Ukraine, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Namuilik | Russia |
| Намуйлик | Ukraine, Belarus, Kazakhstan, Russia |