Cognomen レイマン (Reimann 
, Reiman , Layman 
) , worldwide, is a common family name. The cognomen レイマン is habitual in Estonia, where it is quite a common surname, Germany, and Switzerland (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Switzerland. Very seldom, レイマン is the forename as well as the last name.