Across the world, Arnt (Arnt 
, Арнт 
) is a rare masculine first name. The given name Arnt is habitual in Norway, where it is quite a rare boy's name, Germany, where it is a rare male name, and Belgium. Measured by absolute frequency, the name is most common in Germany, Norway, and the United States. Also, Arnt is the last name as well as the forename.