Cognomen Ингемар (Ingemar 
, Ингемар) , all around the world, is a rare family name. The family name Ингемар is habitual in Sweden, where it is quite a rare surname, Denmark, where it is a rare surname, and Spain. Not in comparison with a country's population, it is the most numerous in Sweden, Indonesia, and Spain. More prevalently, Ингемар is the forename as well as the last name.