Family name Cff (Cff 
) , worldwide, is quite a rare cognomen. The family name Cff is habitual in Taiwan, where it is a rare surname, China, and France, where it is a very rare surname. Much less frequently, Cff is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cff | China, Spain, Taiwan, Thailand, France |