Surname ทองเหลือง (Cornet 
, ทองเหลือง 
, Brasse 
) , across the world, is a common last name. The last name ทองเหลือง is characteristic of Mauritius, where it is quite a common surname, Belgium, and France. Measured by absolute frequency, it is the most numerous in France, Belgium, and Thailand. Very seldom, ทองเหลือง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cornet | Germany, France, United States, Netherlands, Belgium |
| ทองเหลือง | Thailand |
| Brasse | Germany, France, United States, Netherlands, Mauritius |
| Brasen | Germany, Slovakia, Spain, Poland, United States |
Brass, Brassary, Brasselet, Thonghlueang, Thonghlueng, Thonglueag, Thonglueang, Tonglhueang, and Tonglueam