Surname Gaph (Gaph 
) , all around the world, is a very rare last name. The cognomen Gaph is habitual in Peru, where it is an extremely rare surname, Nigeria, and India. Much more frequently, Gaph is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaph | Nigeria, Democratic Republic of the Congo, Peru, South Africa, India |