Surname Sdff (Sdff 
) , in the entire world, is a rare family name. The family name Sdff is habitual in Taiwan, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Taiwan, Saudi Arabia, and China. Much less frequently, Sdff is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sdff | Taiwan, China, United States, Saudi Arabia, Nigeria |