| Name | Ranking | Count |
| Seojun | 🏅️ 4th | 39,587 |
| Seojin | 19th | 29,269 |
| Seungjun | 166th | 8,019 |
| Seongjun | 188th | 7,196 |
| Sujin | 220th | 6,318 |
| Sujeong | 334th | 4,335 |
| Seungju | 347th | 4,146 |
| Suji | 349th | 4,112 |
| Seungjae | 375th | 3,827 |
| Sejun | 380th | 3,810 |
| Sojeong | 410th | 3,492 |
| Seojeong | 425th | 3,349 |
| Sejin | 442th | 3,210 |
| Seongjin | 567th | 2,326 |
| Sijun | 595th | 2,171 |
| Sangjun | 611th | 2,070 |
| Seongjae | 634th | 1,950 |
| Seonjae | 677th | 1,699 |
| Seongju | 737th | 1,493 |
| Seokjun | 780th | 1,359 |
| Seonjun | 871th | 1,138 |
| Seungjin | 909th | 1,053 |
| Sangjin | 975th | 922 |
| Sijin | 1,014th | 863 |
| Sojin | 1,117th | 732 |
| Sejeong | 1,142th | 695 |
| Seoju | 1,208th | 633 |
| Seonju | 1,226th | 615 |
| Seokjin | 1,284th | 568 |
| Sejong | 1,368th | 504 |
Data is updated every day based on Family Relations Registration System.
Data after 2021 may differ slightly from actual data.