Cognomen Libunao (Libunao 
) , across the world, is quite a common last name. The last name Libunao is characteristic of Philippines, where it is quite a rare surname, Qatar, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Philippines, the United States, and Saudi Arabia.
| VARIANT | COUNTRY |
|---|---|
| Libunao | Saudi Arabia, Philippines, Angola, United Arab Emirates, United States |