Cognomen Там (Tam 
, Tham , Tamm 
) , in the world, is a widespread family name. The cognomen Там is characteristic of Macao, where it is a widespread surname, Hong Kong, and British Virgin Islands (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Hong Kong, Malaysia, and China. Also, Там is the forename as well as the last name.