| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Su-dong | city | Korea, Republic of (South) | 35.47 | 127.33 | 830 | 11804 | |
| Suban | city | Korea, Republic of (South) | 35.02 | 126.45 | 72 | 8476 | |
| Such'on | city | Korea, Republic of (South) | 35.40 | 127.25 | 830 | 7128 | |
| Such'on-ni | city | Korea, Republic of (South) | 35.40 | 127.25 | 830 | 7128 | |
| Such’on | city | Korea, Republic of (South) | 35.40 | 127.25 | 830 | 7128 | |
| Such’on-ni | city | Korea, Republic of (South) | 35.40 | 127.25 | 830 | 7128 | |
| Sudo-ri | city | Korea, Republic of (South) | 35.08 | 126.15 | 0 | 58177 | |
| Sudong | city | Korea, Republic of (South) | 35.85 | 127.48 | 830 | 4321 | |
| Sudong-ni | city | Korea, Republic of (South) | 34.62 | 127.27 | 160 | 10578 | |
| Sudu | city | Korea, Republic of (South) | 35.32 | 126.42 | 187 | 12500 | |
| Suduam | city | Korea, Republic of (South) | 35.32 | 126.42 | 187 | 12500 | |
| Suhong-ni | city | Korea, Republic of (South) | 35.40 | 127.27 | 839 | 6999 | |
| Sujŏng-dong | city | Korea, Republic of (South) | 35.17 | 126.47 | 213 | 13438 | |
| Sujŏng-ni | city | Korea, Republic of (South) | 35.17 | 126.47 | 213 | 13438 | |
| Sulsan | city | Korea, Republic of (South) | 35.13 | 126.28 | 55 | 3606 | |
| Sulsan-ni | city | Korea, Republic of (South) | 35.95 | 126.88 | 3 | 88577 | |
| Suman | city | Korea, Republic of (South) | 35.55 | 126.93 | 987 | 48240 | |
| Suman-dong | city | Korea, Republic of (South) | 35.55 | 126.93 | 987 | 48240 | |
| Suman-ni | city | Korea, Republic of (South) | 35.55 | 126.93 | 987 | 48240 | |
| Sumun-dong | city | Korea, Republic of (South) | 34.65 | 127.60 | 3 | 31951 | |
| Sungwol | city | Korea, Republic of (South) | 34.63 | 127.77 | 830 | 37481 | |
| Sunwolp'o | city | Korea, Republic of (South) | 34.77 | 127.90 | 3 | 14040 | |
| Sunwŏlp’o | city | Korea, Republic of (South) | 34.77 | 127.90 | 3 | 14040 | |
| Suodong | city | Korea, Republic of (South) | 38.14 | 126.97 | 830 | 8620 | |
| Surha | city | Korea, Republic of (South) | 34.98 | 127.92 | 0 | 5405 | |
| Surong-ni | city | Korea, Republic of (South) | 35.87 | 126.88 | 36 | 37997 | |
| Sussu | city | Korea, Republic of (South) | 35.32 | 126.42 | 187 | 12500 | |
| Suttelgumi | city | Korea, Republic of (South) | 34.58 | 127.65 | 0 | 10494 | |
| Suttolgumi | city | Korea, Republic of (South) | 34.58 | 127.65 | 0 | 10494 | |
| Suwol | city | Korea, Republic of (South) | 34.95 | 127.18 | 830 | 8366 | |
| Suwŏl-li | city | Korea, Republic of (South) | 34.88 | 128.65 | 82 | 69253 | |
| Suyang-ch'on | city | Korea, Republic of (South) | 35.05 | 126.38 | 19 | 2976 | |
| Suyang-ch’on | city | Korea, Republic of (South) | 35.05 | 126.38 | 19 | 2976 | |
| Suyang-ni | city | Korea, Republic of (South) | 35.05 | 126.38 | 19 | 2976 | |
| Suyang-ni | city | Korea, Republic of (South) | 35.25 | 126.45 | 29 | 20501 |