Family name Alarba (Alarba 
) , around the world, is quite a rare cognomen. The family name Alarba is habitual in Philippines, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Spain, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Philippines, Saudi Arabia, and Nigeria. Very seldom, Alarba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alarba | Saudi Arabia, Gabon, Senegal, Nigeria, Philippines |