| Hong Gein-Sub | |
| Fullname: | Hong Gein-Sub (홍진섭) |
| Birth Date: | 14 October 1985 |
| Birth Place: | Jeju, Jeju-do, Korea Republic |
| Position: | Forward |
| Years1: | 2008 |
| Years2: | 2009–2011 |
| Years3: | 2012 |
| Clubs2: | Seongnam Ilhwa Chunma |
| Clubs3: | Yanbian Baekdu Tigers |
| Caps1: | 12 |
| Caps2: | 23 |
| Caps3: | 17 |
| Goals1: | 1 |
| Goals2: | 1 |
| Goals3: | 6 |
| Nationalyears1: | 2004 |
| Nationalteam1: | South Korea U-20 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Hong Gein-Sub (born October 14, 1985) is a South Korean football player.[1]