Cognomen انكا (Anca 
, Anka 
, انكا) , around the world, is a common surname. The cognomen انكا is habitual in Romania, where it is a common surname, North Macedonia, where it is quite a common surname, and Syria, where it is quite a rare surname. In absolute terms, it is the most numerous in Romania, India, and Indonesia. More frequently, انكا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Anca | Romania, Germany, Poland, India, Indonesia |
| Anka | Romania, Germany, India, Indonesia, Croatia |