Family name Rubaika (Rubaika 
) , all over the world, is a very rare surname. The surname Rubaika is characteristic of Indonesia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Also, Rubaika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rubaika | Nigeria, Indonesia, India, Pakistan, Philippines |