Surname Kongsinh (Kongsinh 
) , all over the world, is a rare last name. The cognomen Kongsinh is habitual in Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kongsinh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kongsinh | United States, Canada, Laos |