| # | Cầu thủ | CLB | Thẻ vàng |
|---|---|---|---|
| 1 |  Song Jun-Seok |  Gangwon FC | 10 |
| 2 |  Jeon Jin-Woo |  Jeonbuk Motors | 9 |
| 3 |  Park Jin-Seop | Jeonbuk Motors | 9 |
| 4 |  Yuri |  Jeju United FC | 9 |
| 5 |  J. Lingard |  FC Seoul | 9 |
| 6 |  Italo Moreira | Jeju United FC | 8 |
| 7 |  Tiago Orobó | Jeonbuk Motors | 8 |
| 8 |  Ko Seung-Beom |  Ulsan Hyundai FC | 8 |
| 9 |  Kim Jung-Hyun |  FC Anyang | 8 |
| 10 |  Kim Min-Hyeok | Ulsan Hyundai FC | 7 |
| 11 |  Ha Chang-Rae |  Daejeon Citizen | 7 |
| 12 |  Shin Kwang-Hoon |  Pohang Steelers | 7 |
| 13 |  Lee Jae-Won |  Suwon City FC | 7 |
| 14 |  Kim Tae-Hwan | Jeonbuk Motors | 7 |
| 15 |  P. Sabbag | Suwon City FC | 7 |
| 16 |  Kim Ryun-Seong | Jeju United FC | 6 |
| 17 |  Choi Jun | FC Seoul | 6 |
| 18 |  Lee Chang-Min | Jeju United FC | 6 |
| 19 |  Nam Tae-Hee | Jeju United FC | 6 |
| 20 |  Bruno Mota | FC Anyang | 6 |
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