The surname Ang has five origins:
One is derived from the surname Ji, which comes from the title of the emperor of the Western Zhou Dynasty, and is a surname based on the title of the king;
The second is derived from the surname Ji, which comes from the fiefdom of uncle Ang, a great official in the Western Zhou Dynasty, and is a surname based on the name of the fief;
The third is derived from the surname Zi, which comes from Gongzi Ang, the son of Song Mugong, the monarch of the Song Dynasty in the Spring and Autumn Period. The surname is based on the ancestor's name;
The fourth is derived from the Mongolian people, from the Mongolian Angqin tribe in the Yuan Dynasty, and the surname is based on the Chinese name of the tribe;
The fifth is derived from the Yi ethnic group , comes from the descendants of Leang, the chief of the wild barbarians in Lukui Mountain during the Yuan and Ming Dynasties, and is named after his ancestor.
The population is mainly distributed in Huolu, Hebei, Feidong, Anhui, Shanghai, Hong Kong and other places. Historical celebrities include Ang Shu, minister of the Han Dynasty, Ang Shaoshan, secretary of the Qing Dynasty cabinet, and contemporary psychological medicine expert Ang Qiuqing. .