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Surname Halt (Alto
, Alt
, Halt
) , throughout the world, is a common last name. The last name Halt is habitual in Estonia, where it is quite a common surname, Germany, and Switzerland, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Philippines. Much less frequently, Halt is the forename as well as the last name.