| Kang Dong-Gu | |
| Fullname: | Kang Dong-Gu |
| Birth Date: | 4 August 1983 |
| Birth Place: | South Korea |
| Position: | Defender |
| Youthclubs1: | Kwandong University |
| Years1: | 2007–2008 |
| Caps1: | 8 |
| Goals1: | 0 |
| Years2: | 2009–2010 |
| Caps2: | 15 |
| Goals2: | 0 |
| Years3: | 2010 |
| Clubs3: | Yesan |
| Caps3: | 2 |
| Goals3: | 0 |
| Pcupdate: | 11 March 2011 |
| Hangul: | 강동구 |
| Hanja: | 姜冬求 |
| Rr: | Gang Dong-gu |
| Mr: | Kang Dongku |
Kang Dong-Gu (; born 4 August 1983) is a South Korean football player. His previous club is Jeju United, Suwon City FC and Yesan FC.
Kang started his professional football career in 2007 with K-League side Jeju United. During this period, he played 8 league games and 8 league cup games. In 2009, he moved to National League side Suwon City FC,[1] where he stayed until the late 2010 switch to Yesan FC. On 21 August 2010, he made his Yesan debut against Incheon Korail in the 1–5 away defeat.[2] In 2011, he was released.