Family name Riadhi (Riadhi 
) , globally, is a rare cognomen. The last name Riadhi is characteristic of Indonesia, where it is a rare surname, Tanzania, where it is a very rare surname, and France. Much less frequently, Riadhi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riadhi | Indonesia, France, Tanzania |