Surname Tsoi-A-Fatt (Tsoi-A-Fatt 
) , around the world, is an extremely rare last name. The surname Tsoi-A-Fatt 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 first name Tsoi, a first name A, and a last name Fatt.
| VARIANT | COUNTRY |
|---|---|
| Tsoi-A-Fatt | United States |