All over the world, ตรีรัตน์ (ตรีรัตน์ 
, Treerat 
, Trirat 
) is quite a rare unisex first name. The forename ตรีรัตน์ is habitual in Thailand, where it is quite a rare epicene name, and China, where it is an extremely rare boy's name. Very seldom, ตรีรัตน์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ตรีรัตน์ | Thailand |
| Tareerat, Treerat | United States, Thailand |
| Trirat | Thailand, China, France, Algeria, United States |
Threerachit, Threerachot, Threeradat, Threeradath, Threeratad, Treenarat, Treerathon, Tridarat, Trinratana, Tritirat, and Triyarat
| ตรีรัตน์ ศิริจันทโรภาส TH (b. 1990) |
|