Family name Reysy (Reysy 
) , worldwide, is an extremely rare cognomen. The cognomen Reysy is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Mexico. More prevalently, Reysy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reysy | Nicaragua, Philippines, Mexico, United States, Venezuela |