Cognomen インガ (Inga 
, Inha 
, インガ) , worldwide, is a common surname. The family name インガ is habitual in Georgia, where it is a common surname, Peru, where it is quite a common surname, and Moldova (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Peru, Georgia, and Poland. Likewise, インガ is the forename as well as the last name.