Cognomen Saiseng (Saiseng 
) , all around the world, is a rare family name. The family name Saiseng is characteristic of Thailand, where it is a rare surname, and Canada, where it is an extremely rare surname. Likewise, Saiseng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saiseng | Canada, Myanmar, Thailand, South Africa |