Family name Лэш (Lash 
, Лэш 
) , across the world, is a common cognomen. The last name Лэш is characteristic of Israel, where it is quite a common surname, New Zealand, where it is quite a rare surname, and the United States. Not in comparison with a country's population, this name is the most popular in the United States, Pakistan, and Israel. Much less frequently, Лэш is the forename as well as the last name.