Surname תם (Tom 
, Tam 
, Thom 
) , throughout the world, is a widespread family name. The last name תם is habitual in Macao, where it is a widespread surname, Hong Kong, and British Virgin Islands (explore the name in all countries). In absolute terms, it most frequently occurs in Hong Kong, Nigeria, and the United States. More prevalently, תם is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tom | Kenya, Nigeria, Hong Kong, United States, Taiwan |
| Tam | United Kingdom, Nigeria, Hong Kong, United States, Taiwan |
| Thom | United Kingdom, Nigeria, Hong Kong, United States, India |
| תם | Israel |