Family name Quan-Tong (Quan-Tong 
) , in all the world, is an extremely rare last name. The cognomen Quan-Tong is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Quan, and a last name Tong.
| VARIANT | COUNTRY |
|---|---|
| Quan-Tong | United States |