Family name Piaka (Piaka 
) , all over the world, is quite a rare surname. The cognomen Piaka is habitual in the Democratic Republic of the Congo, where it is quite a rare surname, Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Piaka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piaka | United States, India, Indonesia, Democratic Republic of the Congo, Nigeria |