Cognomen Aulkh (Aulkh 
) , in the entire world, is a very rare last name. The family name Aulkh is characteristic of Canada, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. In absolute terms, this name is the most popular in India, Canada, and the United Kingdom. Much less frequently, Aulkh is the forename as well as the last name.