Across the world, ทัดธน (ทัดธน 
) is a very rare mostly boy's, but seldom feminine first name. The first name ทัดธน is habitual in South-eastern Asia, particularly Thailand, where it is a very rare primarily male, but very seldom female name.
| VARIANT | COUNTRY |
|---|---|
| ทัดธน | Thailand |
กมลวุฒิ, and ประเสริฐสัง