Cognomen لسان (لسان 
, Lsan 
) , around the globe, is quite a rare family name. The family name لسان is characteristic of Iraq, where it is quite a rare surname, Iran, where it is a rare surname, and Jordan. Not in comparison with a country's population, it is the most numerous in Iraq, Iran, and Sudan. Also, لسان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| لسان | Iran, Morocco, Iraq, Egypt, Sudan |
| Lsan | Myanmar, Morocco, Thailand, India, Nigeria |