Cognomen Riantika (Riantika 
) , around the globe, is quite a rare last name. The family name Riantika is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Much less frequently, Riantika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riantika | Malaysia, Indonesia |