Cognomen Ерахан (Erahan 
, Ерахан 
, Erakhan ) , all over the world, is a very rare family name. The family name Ерахан is habitual in Kazakhstan, where it is a very rare surname, Philippines, where it is an extremely rare surname, and Nigeria. Measured by absolute frequency, the name is most common in Philippines, Kazakhstan, and India. More prevalently, Ерахан is the forename as well as the last name.