Last name Gamadi (Gamadi 
) , globally, is a rare surname. The cognomen Gamadi is habitual in Ghana, where it is a rare surname, United Arab Emirates, and Saudi Arabia. In absolute terms, it most frequently occurs in Ghana, India, and Saudi Arabia. Much less frequently, Gamadi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gamadi | United Arab Emirates, India, Saudi Arabia, Ghana, Nigeria |