Throughout the world, ธิยัน (Thiyan 
, ธิยัน ) is a very rare gender-neutral given name. The first name ธิยัน is habitual in Southern Asia, particularly India, where it is an extremely rare gender-neutral name. Also, ธิยัน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thiyan | Indonesia, United Kingdom, Thailand, India, Myanmar |
| ธิยัน | Thailand |