Surname สะอ้าน (Saarn 
, สะอ้าน, Sa-An 
) , all over the world, is a rare cognomen. The cognomen สะอ้าน is habitual in South-eastern Asia, particularly Philippines, where it is a rare surname, and Thailand, where it is an extremely rare surname. Very seldom, สะอ้าน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saarn | United States, Thailand |
| Sa-An | Philippines, Thailand |