Family name Ratubalavu (Ratubalavu 
) , all over the world, is a rare last name. The surname Ratubalavu is habitual in Fiji, where it is quite a common surname, New Zealand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratubalavu | New Zealand, United States, Fiji |