Around the world, สายทองคำ (สายทองคำ, Gold Line, Saitongkum 
) is an extremely rare unknown gender first name. Much more frequently, สายทองคำ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Saitongkum | Thailand |
| Saithongkum | New Zealand, Thailand |