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, United States, Thailand |
| ธัญญรักษ์, Tanyaruk, Thanyaruk | Thailand |