Surname ตาม (Tam 
, ตาม 
, Arsue 
) , in the world, is a widespread cognomen. The cognomen ตาม is characteristic of Macao, where it is a widespread surname, Hong Kong, and British Virgin Islands (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Hong Kong, China, and India. Also, ตาม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tam | Vietnam, Hong Kong, Taiwan, India, China |
| ตาม | Thailand |
| Arsue | Thailand, Mexico, United States, Philippines, India |