Cognomen Rosnaldy (Rosnaldy 
) , around the globe, is an extremely rare surname. The cognomen Rosnaldy is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname. Likewise, Rosnaldy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosnaldy | United States, Venezuela |