Surname Waguia (Waguia 
) , worldwide, is a rare cognomen. The cognomen Waguia is habitual in Cameroon, where it is a rare surname, and Philippines, where it is a very rare surname. Much less frequently, Waguia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Waguia | Brazil, Philippines, Cameroon |