Cognomen Sxf (Sxf 
) , around the globe, is a rare last name. The cognomen Sxf is characteristic of Nigeria, where it is a rare surname, Thailand, where it is a very rare surname, and France, where it is an extremely rare surname. In absolute terms, it is the most numerous in Nigeria, China, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| Sxf | Thailand, Nigeria, France, China |