Cognomen ท่าม (Tham 
, ท่าม) , globally, is a common surname. The surname ท่าม is habitual in Singapore, where it is a common surname, Malaysia, where it is quite a common surname, and Macao (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in South-eastern Asia, particularly Malaysia, Singapore, and Vietnam. Likewise, ท่าม is the forename as well as the last name.