Family name سيلان (Silan 
, سيلان 
, Seelan 
) , around the globe, is a common last name. The last name سيلان is characteristic of Yemen, where it is quite a common surname, Qatar, and Slovenia, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in India, Yemen, and Saudi Arabia. Very seldom, سيلان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silan | South Africa, Philippines, India, Malaysia, Saudi Arabia |
| سيلان | Iran, Iraq, Yemen, Syria, Saudi Arabia |
| Seelan | South Africa, India, Sri Lanka, Malaysia, Saudi Arabia |
| Celan | South Africa, Bosnia and Herzegovina, Argentina, India, Slovenia |