| # | Team | Yellow cards |
|---|---|---|
| 1 | Hwaseong | 47 |
| 2 | Gyeongnam | 47 |
| 3 | Paju Frontier | 45 |
| 4 | Jeonnam Dragons | 42 |
| 5 | Cheonan City | 41 |
| 6 | Yongin FC | 40 |
| 7 | Gimhae FC | 40 |
| 8 | Seoul E-Land | 39 |
| 9 | Suwon City | 36 |
| 10 | Suwon Bluewings | 36 |
| 11 | Chungnam Asan | 36 |
| 12 | Busan IPark | 34 |
| 13 | Gimpo FC | 33 |
| 14 | Daegu | 32 |
| 15 | Ansan Greeners | 30 |
| 16 | Chungbuk Cheongju FC | 30 |
| 17 | Seongnam | 28 |