| # | Team | Yellow cards |
|---|---|---|
| 1 | Gyeongnam | 36 |
| 2 | Hwaseong | 34 |
| 3 | Paju Frontier | 33 |
| 4 | Yongin FC | 32 |
| 5 | Seoul E-Land | 30 |
| 6 | Gimhae FC | 29 |
| 7 | Suwon City | 28 |
| 8 | Cheonan City | 28 |
| 9 | Chungnam Asan | 27 |
| 10 | Jeonnam Dragons | 27 |
| 11 | Suwon Bluewings | 26 |
| 12 | Busan IPark | 24 |
| 13 | Seongnam | 23 |
| 14 | Gimpo FC | 23 |
| 15 | Daegu | 22 |
| 16 | Ansan Greeners | 21 |
| 17 | Chungbuk Cheongju FC | 21 |