Surname لاش (Lash 
, Lasch 
, Леш 
) , globally, is a common cognomen. The cognomen لاش is characteristic of Israel, where it is quite a common surname, Germany, where it is quite a rare surname, and New Zealand. Not in comparison with a country's population, it is commonest in the United States, Germany, and Pakistan. Much less frequently, لاش is the forename as well as the last name.