Surname Frank-Detlef (Frank-Detlef 
) , in all the world, is a very rare last name. The cognomen Frank-Detlef is habitual in Eastern Europe, particularly Hungary, where it is a rare surname. More prevalently, Frank-Detlef is the forename as well as the last name. Parts of the name also exists independently as a first name Frank, and a first name Detlef.
| VARIANT | COUNTRY |
|---|---|
| Frank-Detlef | Germany, Hungary |