Cognomen Janetzy (Janetzy 
) , worldwide, is a very rare family name. The family name Janetzy is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Also, Janetzy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janetzy | United States, Mexico, Venezuela |