Last name סטאק (Stack 
, סטאק 
) , around the globe, is a common surname. The surname סטאק is habitual in Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United States. In absolute terms, this name is the most popular in the United States, Ireland, and the United Kingdom. Very seldom, סטאק is the forename as well as the last name.