In the entire world, แสงจันทร์ (แสงจันทร์ 
, Sangchan 
, Saengchan 
, among others...) is a common dominantly feminine, but seldom masculine forename. The forename แสงจันทร์ is habitual in Thailand, where it is quite a common dominantly feminine, but seldom boy's name, South Korea, where it is quite a rare masculine name, and the United States, where it is an extremely rare epicene name. In absolute terms, this name is the most popular in Thailand, South Korea, and India. Also, แสงจันทร์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| แสงจันทร์ | Thailand |
| Sangchan | Laos, South Korea, Thailand, United States, India |
| Saengchan | Germany, Malaysia, Finland, United States, Thailand |
| Sangjan | Laos, Hungary, United States, Thailand, India |
| Saengjan | United Kingdom, Malaysia, United States, Thailand, India |
Leangjalurn, Moonlamom, Moonlight, Moonming, Moonsaat, Moonsadaeng, Moonsaeng, Moonsamai, Moonsamrauj, Moonsamruaj, Moonsan, Moonsang, Moonsao, Moonsap, Moonsapha, Moonsarn, Moonsarp, Moonsilp, Moonsin, Moonsithi, Moonsongkho, Moonsran, Moonsrap, Moonsrinuan, Moonsung, Moonsunthiah, Moonsurin, Moonthade, Moonwan, Roungchan, Roungmoung, Saeangjan, Saengchaen, Saengchak, Saengchammong, Saengchand, Saengchanda, Saengchandr, Saengchang, Saengchanh, Saengchankhao, Saengchankhum, Saengchans, Saengchanto, Saengchantr, Saengchantra, Saengchantranant, Saengchong, Saengchueng, Saengchung,