Last name راش (Rash 
, Rush , Rasch 
) , worldwide, is a common cognomen. The surname راش is characteristic of Grenada, where it is quite a common surname, Belize, and Iraq (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, Iraq, and Germany. Much less frequently, راش is the forename as well as the last name.