Last name Rin-Rin (Rin-Rin 
) , all over the world, is an extremely rare cognomen. Much more frequently, Rin-Rin is the forename as well as the last name. Parts of the name also exists independently as a last name Rin, and a last name Rin.
| VARIANT | COUNTRY |
|---|---|
| Rin-Rin | Philippines, United States |