Last name Li-Oy (Li-Oy 
) , worldwide, is an extremely rare cognomen. The last name Li-Oy is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. More frequently, Li-Oy is the forename as well as the last name. Parts of the name also exists independently as a last name Li.
| VARIANT | COUNTRY |
|---|---|
| Li-Oy | Philippines |