Cognomen Saysanith (Saysanith 
) , all over the world, is a rare last name. The cognomen Saysanith is habitual in Laos, where it is quite a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Saysanith | Laos, France, United States |