Cognomen Giron-Lumanug (Giron-Lumanug 
) , throughout the world, is an extremely rare surname. The family name Giron-Lumanug is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Parts of the name also exists independently as a last name Giron, and a last name Lumanug.
| VARIANT | COUNTRY |
|---|---|
| Giron-Lumanug | Philippines |