Cognomen Gandonu (Gandonu 
) , around the world, is a rare last name. The surname Gandonu is characteristic of Nigeria, where it is a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Gandonu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gandonu | United States, United Kingdom, Nigeria |