Cognomen ทาม (Tham 
, Time 
, ทาม 
) , worldwide, is a common last name. The cognomen ทาม is characteristic of Singapore, where it is a common surname, Malaysia, where it is quite a common surname, and Macao (explore the name in all countries). Measured by absolute frequency, it is commonest in South-eastern Asia, particularly Malaysia, Singapore, and Indonesia. Also, ทาม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tham | Taiwan, Vietnam, Singapore, Indonesia, Malaysia |
| Time | Tanzania, Taiwan, Singapore, Indonesia, Malaysia |
| ทาม | Thailand |