Family name Castañeda Mendez (Castañeda Mendez 
) , around the globe, is a very rare cognomen. The cognomen Castañeda Mendez is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Colombia, where it is a very rare surname, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Ecuador, Colombia, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Castañeda Mendez | Mexico, Spain, Chile, Ecuador, Colombia |