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