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, United States, Poland, France |
| Lehder | Germany, Colombia, United States, Argentina, Brazil |
| Lehde | Germany, Spain, Colombia, United States, Canada |
| Ледер | Kyrgyzstan, Kazakhstan, Russia, Ukraine |