All around the world, ยะสาร (Yasan 
, ยะสาร 
) is quite a rare largely male, but seldom female forename. The first name ยะสาร is characteristic of Sri Lanka, where it is a rare masculine name, Saudi Arabia, and Morocco, where it is a very rare boy's name. Measured by absolute frequency, it is the most numerous in India, Sri Lanka, and Indonesia. More frequently, ยะสาร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Yasan | India, Japan, Malaysia, Indonesia, Turkey |
| ยะสาร | Thailand |