All around the world, เธียรธร (เธียรธร 
) is a very rare dominantly male, but infrequently feminine given name. The given name เธียรธร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly male, but seldom female name.
| VARIANT | COUNTRY |
|---|---|
| เธียรธร | Thailand |
อัครสกุล, and วงศ์กิตติพร