In the entire world, ศิริจันทร์ (ศิริจันทร์ 
, Sirijan 
, Sirichan 
) is quite a rare largely female, but seldom masculine given name. The forename ศิริจันทร์ is characteristic of Thailand, where it is quite a rare largely girly, but seldom male name, and India, where it is a very rare unisex name. Also, ศิริจันทร์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ศิริจันทร์ | Thailand |
| Sirijan | India, United States, Thailand, South Africa |
| Sirichan | Malaysia, United States, Thailand, India, New Zealand |
| Sirijun | India, United States, Thailand |
Sirachant, Sirichand, Sirichant, and Sirichantr
| ศิริจันทร์ ทองประเสริฐ (b. 1950) |
|