Cognomen ແສງຄາ (ແສງຄາ 
) , all around the world, is a rare last name. The surname ແສງຄາ is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. More prevalently, ແສງຄາ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ແສງຄາ | Laos |