Family name เข็มทองคำ (เข็มทองคำ, Kemthongkam 
, Khemthongkham 
) , around the world, is a very rare cognomen. The last name เข็มทองคำ is habitual in Thailand, where it is a rare surname, and Norway, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kemthongkam | Thailand |
| Khemthongkham | Thailand, Norway |