Surname レイヒ (Rehe 
, レイヒ) , across the world, is quite a rare cognomen. The surname レイヒ is habitual in Estonia, where it is quite a rare surname, Germany, where it is a rare surname, and Latvia. Not in comparison with a country's population, it most frequently occurs in Germany, Indonesia, and the United States. Much less frequently, レイヒ is the forename as well as the last name.