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