Surname ライシュ (Reisch 
, ライシュ) , worldwide, is quite a common family name. The last name ライシュ is characteristic of Western Europe, particularly Austria, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Germany. Measured by absolute frequency, it is the most numerous in Germany, Austria, and the United States. Much less frequently, ライシュ is the forename as well as the last name.