Family name Thainam (Thainam 
) , worldwide, is a very rare cognomen. The cognomen Thainam is characteristic of Thailand, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. Also, Thainam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thainam | India, United States, Brazil, Thailand |