Cognomen Sae Kwang (Sae Kwang 
, แซ่ควัง) , in the world, is a very rare surname. The cognomen Sae Kwang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Sae Kwang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sae Kwang | South Korea, Canada, Thailand |