Last name Рельян (Rellan 
, Рельян 
) , worldwide, is a rare surname. The cognomen Рельян is habitual in Latin America and the Caribbean, particularly Panama, where it is a rare surname, Uruguay, and Argentina. Not in comparison with a country's population, it most frequently occurs in Argentina, Spain, and India. Likewise, Рельян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rellan | Philippines, Spain, Panama, Argentina, India |
| Рельян | Russia, Ukraine |