| Kim Dong-hyun | |
| Birth Date: | 11 June 1997 |
| Birth Place: | Seoul, South Korea |
| Height: | 1.82 m |
| Currentclub: | Gimcheon Sangmu (draft) |
| Clubnumber: | 5 |
| Position: | Defensive midfielder, right back |
| Youthclubs1: | Pohang Steelers |
| Youthyears1: | 2010–2016 |
| Youthclubs2: | Chung-Ang University |
| Youthyears2: | 2016–2018 |
| Years1: | 2018 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2018 |
| Clubs2: | → Gwangju FC (loan) |
| Caps2: | 36 |
| Goals2: | 3 |
| Years3: | 2019–2020 |
| Caps3: | 28 |
| Goals3: | 0 |
| Years4: | 2021– |
| Caps4: | 56 |
| Goals4: | 1 |
| Years5: | 2023– |
| Clubs5: | → Gimcheon Sangmu (draft) |
| Caps5: | 28 |
| Goals5: | 2 |
| Nationalyears1: | 2015 |
| Nationalteam1: | South Korea U20 |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2019–2021 |
| Nationalteam2: | South Korea U23 |
| Nationalcaps2: | 18 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2022– |
| Nationalteam3: | South Korea |
| Nationalcaps3: | 3 |
| Nationalgoals3: | 0 |
| Club-Update: | 10 June 2023 |
| Nationalteam-Update: | 27 July 2022 |
| Hangul: | 김동현 |
| Mr: | Kim Tonghyŏn |
| Rr: | Kim Donghyeon |
Kim Dong-hyun (; born 11 June 1997) is a South Korean footballer who plays as a defensive midfielder or a right back for Gimcheon Sangmu and the South Korea national team.
| Club | Season | League | Cup | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |||
| Pohang Steelers | 2018 | K League 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Gwangju FC (loan) | 2018 | K League 2 | 36 | 3 | 0 | 0 | 0 | 0 | 36 | 3 | |
| Seongnam FC | 2019 | K League 1 | 7 | 0 | 1[1] | 0 | 0 | 0 | 8 | 0 | |
| 2020 | 21 | 0 | 2[2] | 0 | 0 | 0 | 23 | 0 | |||
| Gangwon FC | 2021 | 23 | 1 | 3[3] | 0 | 0 | 0 | 26 | 1 | ||
| 2022 | 33 | 0 | 2[4] | 0 | 0 | 0 | 35 | 0 | |||
| Gimcheon Sangmu (draft) | 2023 | K League 2 | 12 | 2 | 0 | 0 | 0 | 0 | 12 | 2 | |
| Career total | 132 | 7 | 8 | 0 | 0 | 0 | 140 | 7 | |||