Family name Cumio (Cumio 
) , across the world, is a very rare surname. The cognomen Cumio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname, Argentina, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Chile, Argentina, and Philippines.
| VARIANT | COUNTRY |
|---|---|
| Cumio | Argentina, Philippines, United States, Venezuela, Chile |