Family name Hongkham (Hongkham 
) , around the world, is quite a rare last name. The last name Hongkham is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, Thailand, and Myanmar, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Thailand, Laos, and the United States. More frequently, Hongkham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hongkham | Laos, Myanmar, France, Thailand, United States |