Family name ธัญญรักษ์ (Thanyarak 
, ธัญญรักษ์ , Thanyaruk ) , worldwide, is a rare surname. The surname ธัญญรักษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, ธัญญรักษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thanyarak | Malaysia, Thailand, United States |
| Thanyaruk, Tanyaruk, ธัญญรักษ์ | Thailand |