Family name Ёст (Yost 
, Ёст 
) , around the globe, is a common cognomen. The family name Ёст is habitual in the United States, where it is quite a rare surname, Canada, and Bulgaria. Not in comparison with a country's population, this name is the most popular in the United States, Argentina, and Canada. Much less frequently, Ёст is the forename as well as the last name.