In the entire world, เที่ยงธรรม (Thiengtham 
, Thiangtham , เที่ยงธรรม) is an extremely rare boy's first name. More frequently, เที่ยงธรรม is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thiengtham | Laos, United States, Thailand, Philippines |
| Thiangtham, Tiangtham | United States, Thailand |
Noontamat, Noontatham, Noontathum, Noonthathum, Suthimal, Theangthungrum, Thiangam, Thiangdham, Thiangmee, Thiangmit, Thiangnuam, Thiangtam, Thiangtem, Thiangthat, Thiangtho, Thiangthum, Thiangtum, Thiegnthum, Thiemthud, Thiengtam, Thiengthem, Thiengthom, and Tiangthum