All over the world, เธค (Thek 
, เธค 
) is a rare unisex forename. The forename เธค is habitual in Southern Asia, particularly India, where it is a very rare epicene name. Likewise, เธค is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thek | United States, Malaysia, Hungary, Myanmar, India |
| เธค | Thailand |