Surname Sisouphan (Sisouphan 
) , worldwide, is a rare cognomen. The family name Sisouphan is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and Thailand. Also, Sisouphan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sisouphan | Canada, Malaysia, Laos, United States, Thailand |