| Kim Dong-hyun | |
| Nationality: | South Korean |
| Birth Date: | 1987 11, df=yes |
| Birth Place: | Seoul, South Korea |
| Height: | 1.84 m |
| Weight: | 103 kg |
| Sport: | Bobsleigh |
| Hangul: | 김동현 |
| Rr: | Gim Donghyeon |
| Mr: | Kim Tonghyŏn |
Kim Dong-hyun (; born 12 November 1987) is a South Korean bobsledder who has competed since 2008. At the 2010 Winter Olympics in Vancouver, he finished 19th in the four-man event.
Kim finished 30th in the two-man event at the FIBT World Championships 2009 in Lake Placid, New York. His best World Cup finish was 26th in the two-man event at Whistler, British Columbia in 2009.
At the 2018 Winter Olympics in Pyeongchang, the South Korean four-man team of Seo Young-woo, Won Yun-jong, Jun Jung-lin, and Kim Dong-hyun won a surprising silver medal in the four-man event, tying with a German team led by Nico Walther. With the silver medal, South Korea became the first Asian nation to claim an Olympic medal in a bobsleigh event.[1]