Surname Ледер (Leder 
, Lehder 
, Lehde 
) , across the world, is quite a common cognomen. The last name Ледер is habitual in Germany, where it is quite a rare surname, Croatia, and Switzerland. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Poland. Very seldom, Ледер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leder | Germany, Switzerland, Poland, United States, France |
| Lehder | Germany, Brazil, United States, Argentina, Colombia |
| Lehde | Germany, Spain, Canada, United States, Colombia |
| Ледер | Kyrgyzstan, Kazakhstan, Ukraine, Russia |