Cognomen Ненка (Ненка 
, Nenka 
) , around the world, is quite a rare family name. The surname Ненка is characteristic of Bulgaria, where it is quite a common surname, Czechia, where it is a rare surname, and Nigeria, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Bulgaria, Nigeria, and India. Also, Ненка is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ненка | Russia, Bulgaria |
| Nenka | Greece, Bulgaria, India, Nigeria, Japan |