| Name | Ranking | Count |
| Yul | 107th | 11,366 |
| Jun | 180th | 7,572 |
| Yun | 187th | 7,221 |
| Geon | 221th | 6,299 |
| Bom | 234th | 6,095 |
| Hyeon | 276th | 5,231 |
| Sol | 319th | 4,561 |
| Byeol | 359th | 4,006 |
| San | 387th | 3,737 |
| Chan | 394th | 3,647 |
| Seol | 420th | 3,400 |
| Min | 470th | 2,997 |
| Jin | 505th | 2,733 |
| Won | 615th | 2,062 |
| Gyeol | 625th | 2,007 |
| Gang | 695th | 1,626 |
| Eun | 736th | 1,496 |
| Hwan | 742th | 1,487 |
| Rin | 759th | 1,428 |
| Dan | 762th | 1,407 |
| Hun | 774th | 1,376 |
| Gyeom | 794th | 1,309 |
| Hyeok | 838th | 1,226 |
| Dam | 872th | 1,136 |
| Han | 893th | 1,089 |
| Seon | 901th | 1,071 |
| Seul | 917th | 1,030 |
| Ho | 941th | 980 |
| Bin | 947th | 966 |
| Yu | 1,069th | 792 |
Data is updated every day based on Family Relations Registration System.
Data after 2021 may differ slightly from actual data.