Last name Гагер (Gager 
, Гагер 
, Gaguer 
) , in the world, is quite a rare surname. The surname Гагер is habitual in Jamaica, where it is quite a rare surname, Austria, and the United States, where it is a rare surname. Measured by absolute frequency, the name is most common in the United States, Austria, and the United Kingdom. Much less frequently, Гагер is the forename as well as the last name.