Surname Kongkhanh (Kongkhanh 
) , in the entire world, is an extremely rare family name. Much more prevalently, Kongkhanh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kongkhanh | Laos, Thailand, United States |
Manivong, Sihaphom, Phonsing, Phonemany, and Souvannaphong