Cognomen 东 (东 
, Tong 
) , all over the world, is a widespread family name. The family name 东 is habitual in Macao, where it is a common surname, Hong Kong, and Bermuda (explore the name in all countries). Not in comparison with a country's population, it is commonest in China, Malaysia, and Hong Kong. Likewise, 东 is the forename as well as the last name.