| # | Cầu thủ | CLB | Thẻ vàng |
|---|---|---|---|
| 1 |  Park Jin-Seop | Jeonbuk Motors | 7 |
| 2 |  Kim Jung-Hyun | FC Anyang | 7 |
| 3 |  Jeon Jin-Woo | Jeonbuk Motors | 6 |
| 4 |  Jo Seong-Kwon | Gwangju FC | 6 |
| 5 |  Kim Min-Hyeok | Ulsan Hyundai FC | 5 |
| 6 |  Nam Tae-Hee | Jeju United FC | 5 |
| 7 |  T. Oude Kotte | FC Anyang | 5 |
| 8 |  Kim Ju-Sung | FC Seoul | 5 |
| 9 |  Kim Jin-Su | FC Seoul | 5 |
| 10 |  Italo Moreira | Jeju United FC | 5 |
| 11 |  Lee Tae-Seok | Pohang Steelers | 5 |
| 12 |  Choi Jun | FC Seoul | 5 |
| 13 |  Ahn Joon-Soo | Suwon City FC | 5 |
| 14 |  Tiago Orobó | Jeonbuk Motors | 5 |
| 15 |  Ko Seung-Beom | Ulsan Hyundai FC | 5 |
| 16 |  Lee Kang-Hyun | Gwangju FC | 4 |
| 17 |  Kim Ryun-Seong | Jeju United FC | 4 |
| 18 |  Lim Chai-Min | Jeju United FC | 4 |
| 19 |  Bruno Mota | FC Anyang | 4 |
| 20 |  J. Lingard | FC Seoul | 4 |
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