Cognomen Sần (Sần 
) , globally, is a very rare last name. The cognomen Sần is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. Likewise, Sần is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sần | Vietnam |
| sần sín sỉnh VN (b. 1982) |
|