Family name Telf (Telf 
) , around the world, is a very rare cognomen. The last name Telf is habitual in Spain, where it is a very rare surname, Australia, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Telf is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Telf | United Kingdom, Spain, Australia, United States, Canada |