Around the world, ศีล (Sin 
, Canon , ศีล 
) is a common epicene forename. The first name ศีล is characteristic of Macao, where it is quite a common epicene name, Hong Kong, and Algeria, where it is quite a rare unisex name. Not in comparison with a country's population, this name is the most popular in Indonesia, Hong Kong, and Algeria. More prevalently, ศีล is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Canon, Sin | Hong Kong, Colombia, Malaysia, India, Myanmar |
| ศีล | Thailand |
ศีล is also a popular name for the fictitious and mythical characters: Huang Xin , the Water Margin character; Bao Xin , the fictional Han dynasty general, figure in Romance of the Three Kingdoms; Sin Tzu , the DC Comics villain, Batman: Rise of Sin Tzu; Sin , the character from Marvel Comics and Sin , the DC Comics character, Arrow (season 2), and in many other works.