Family name Sngoun (Sngoun 
) , globally, is a very rare cognomen. The cognomen Sngoun is habitual in New Zealand, where it is a rare surname, Cambodia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in the United States, New Zealand, and Cambodia. Much less frequently, Sngoun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sngoun | Cambodia, New Zealand, Canada, United States |