Family name Jañez (Jañez 
) , across the world, is a rare surname. The surname Jañez is characteristic of Spain, where it is a rare surname, Argentina, and Chile, where it is an extremely rare surname. Also, Jañez is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jañez | Spain, United States, Argentina, Peru, Venezuela |
| josé idilio otero jañez botanist (b. 1893) |
|