Family name ធីរ៉ាន់ (ធីរ៉ាន់ 
) , globally, is a very rare last name. The family name ធីរ៉ាន់ is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. More prevalently, ធីរ៉ាន់ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ធីរ៉ាន់ | Cambodia |