Worldwide, จันทรัตน์ (จันทรัตน์ 
, Jantarat 
, Chantarat 
, along with others...) is quite a rare mostly female, but infrequently boy's first name. The first name จันทรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare mostly feminine, but uncommonly masculine name. More frequently, จันทรัตน์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| จันทรัตน์ | Thailand |
| Jantarat | United States, Thailand |
| Chantarat | United States, Thailand, New Zealand |
| Chantharat, Jantharat | Malaysia, United States, Thailand |
Chandarat, Chandtarat, Chantaratn, Chantarrat, Chantharatt, Chanthatarat, Chanthorat, Chanthrat, Chantrrat, Chuntarat, Chuntharat, Jantarath, Jantaratt, Jantharad, Jantratit, and Juntarat