Last name Sypasong (Sypasong 
) , around the globe, is an extremely rare surname. The cognomen Sypasong is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Sypasong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sypasong | Laos, United States |