Cognomen ดิฐานนท์ (ดิฐานนท์ 
) , across the world, is a very rare surname. The last name ดิฐานนท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ดิฐานนท์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ดิฐานนท์ | Thailand |