Surname Gangr (Gang 
, Ganger 
, Gangr ) , throughout the world, is a common cognomen. The family name Gangr is habitual in Cayman Islands, where it is quite a common surname, Mongolia, where it is quite a rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in China, India, and Indonesia. Also, Gangr is the forename as well as the last name.