Surname ทองคำ (Thongkham 
, Thongkam 
, Thongkum 
) , around the world, is a common family name. The family name ทองคำ is habitual in Thailand, where it is quite a common surname, Laos, and Trinidad and Tobago, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Thailand, Laos, and the United States. Much less frequently, ทองคำ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thongkham | Myanmar, Thailand, Trinidad and Tobago, United States, Laos |
| Thongkam | Thailand, Canada, United States, Malaysia, India |
| Thongkum | Norway, Thailand, United States, Malaysia, India |
Gold, Goulding, Intongcome, Thogngkam, Thohgngam, Thomgkham, Thomgkum, Thonchglam, Thondgam, Thongakm, Thonghkum, Thongkamm, Thongkaum, Thongkhanm, Thongkhum, Thongkumme, Thonglham, Thonglkham, Thongome, Thonhkam, Thonkaum, Thonkhom, Thonkhum, Thonkkham, Tongaam, Tonggam, Tonginkham, Tongkam, Tongkamch, Tongkharm, Tongkoam, Tongksam, and Tongkurm
| อภิชญา ทองคำ Thai model and actress, TH |
|