Surname ดิถีรัตนฤกษ์ (ดิถีรัตนฤกษ์ 
) , in all the world, is an extremely rare last name. The family name ดิถีรัตนฤกษ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ดิถีรัตนฤกษ์ | Thailand |