Surname Gustaph (Gustaph 
) , all around the world, is a rare cognomen. The cognomen Gustaph is characteristic of Tanzania, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and India. Likewise, Gustaph is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gustaph | Tanzania, Malaysia, India, United States, South Africa |