Surname Grinny (Grinny 
) , all over the world, is a very rare family name. The surname Grinny is habitual in Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Peru, where it is an extremely rare surname, and Mexico. Likewise, Grinny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grinny | Mexico, Peru, United States, Philippines, Colombia |