Cognomen ライヒ (Reich 
, Raich 
, ライヒ) , across the world, is a common family name. The cognomen ライヒ is habitual in Liechtenstein, where it is a common surname, British Virgin Islands, where it is quite a common surname, and Austria (explore the name in all countries). In absolute terms, it is commonest in Germany, the United States, and Austria. Also, ライヒ is the forename as well as the last name.