Cognomen Lap-Ogan (Lap-Ogan 
) , throughout the world, is an extremely rare last name. The cognomen Lap-Ogan 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 Lap, and a last name Ogan.
| VARIANT | COUNTRY |
|---|---|
| Lap-Ogan | Philippines |