Surname Ерхард (Erhard 
, Ерхард 
, Erhards 
) , around the world, is quite a common last name. The cognomen Ерхард is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Austria, and Switzerland. Measured by absolute frequency, the name is most common in Germany, the United States, and France. More frequently, Ерхард is the forename as well as the last name.