| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Seo-Yun | su-yoon | Korean | ||
| Seung | suwng | Korean | ||
| Si-U | shee-oo | Korean | ||
| Si-Woo | shee-oo | Korean | ||
| Soo-Jin | soo-jeen | Korean | ||
| Su-Bin | soo-been | Korean | ||
| Su-Jin | soo-jeen | Korean | ||
| Suk | suk | Korean | ||
| Suk-Ja | sook-jah | Korean | ||
| Sung | sung | Korean | ||
| Sung-Ho | sung-ho | Korean | ||
| Sung-Hoon | sung-hoon | Korean | ||
| Sung-Hyun | sung-hyun | Korean | ||
| Sung-Jin | sung-jeen | Korean | ||
| Sung-Min | sung-meen | Korean |