All around the world, สุธาธาร (สุธาธาร 
, Suthathan 
, Suthaath ) is a very rare gender-neutral forename. The first name สุธาธาร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name. Much less frequently, สุธาธาร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สุธาธาร, Suthaath | Thailand |
| Suthathan | India, Thailand |
Sutanadhan, Sutharn, Suthatharn, and Suthathun