Family name Su-Yen (Su-Yen 
) , all over the world, is a rare cognomen. The cognomen Su-Yen is characteristic of Taiwan, where it is a rare surname, Malaysia, and Nicaragua, where it is a very rare surname. Very seldom, Su-Yen is the forename as well as the last name. Parts of the name also exists independently as a last name Su, and a last name Yen.
| VARIANT | COUNTRY |
|---|---|
| Su-Yen | Malaysia, Australia, Singapore, Honduras, Taiwan |