Surname แหลมทอง (แหลมทอง 
, Lemthong 
, Laemthong ) , all over the world, is a rare cognomen. The family name แหลมทอง is habitual in Thailand, where it is quite a rare surname, and Canada, where it is an extremely rare surname. More prevalently, แหลมทอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keamthong, แหลมทอง | Thailand |
| Lemthong | Laos, Canada, United States |
| Laemthong | Canada, United States, Thailand |
Keangthong, Keaythong, Keemthong, Khaemtong, Kheamthong, Laemtong, Laethong, Laethongkam, Laethongkham, Laethongkom, Laetoheem, Laetong, Laetongkam, Lahoenhong, Laimthong, Lamaithong, Leabthong, Leamthong, Leamtong, Lermthong, Liemthong, Limphthong, Loemthong, Thaemthong, and Thaemtong