Family name Loy-Onan (Loy-Onan 
) , around the globe, is a very rare last name. The family name Loy-Onan is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname. Parts of the name also exists independently as a last name Loy, and a last name Onan.
| VARIANT | COUNTRY |
|---|---|
| Loy-Onan | Philippines |