Family name Manlus-Ag (Manlus-Ag 
) , all around the world, is a very rare cognomen. The cognomen Manlus-Ag is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname. Parts of the name also exists independently as a first name Manlus.
| VARIANT | COUNTRY |
|---|---|
| Manlus-Ag | Philippines |