| Nguyễn Thành Long Giang | |
| Fullname: | Nguyễn Thành Long Giang |
| Birth Date: | 6 September 1988 |
| Birth Place: | Gò Công, Tiền Giang, Vietnam |
| Height: | 1.730NaN0 |
| Position: | Defender |
| Youthyears1: | 1999–2005 |
| Youthclubs1: | Tiền Giang |
| Years1: | 2006–2010 |
| Years2: | 2009 |
| Years3: | 2010–2012 |
| Years4: | 2013 |
| Years5: | 2013–2014 |
| Clubs1: | Tiền Giang |
| Clubs2: | Hà Nội T&T |
| Clubs3: | Navibank Sài Gòn |
| Clubs4: | Xuân Thành Sài Gòn |
| Clubs5: | Đồng Nai |
| Caps1: | 23 |
| Caps2: | 1 |
| Goals1: | 4 |
| Goals2: | 0 |
| Caps3: | 12 |
| Goals3: | 0 |
| Caps4: | 1 |
| Goals4: | 0 |
| Caps5: | 48 |
| Goals5: | 2 |
| Nationalyears1: | 2007–2011 |
| Nationalyears2: | 2007–2014 |
| Nationalteam1: | Vietnam U23 |
| Nationalteam2: | Vietnam |
| Nationalcaps1: | 5 |
| Nationalcaps2: | 3 |
| Nationalgoals1: | 0 |
| Nationalgoals2: | 0 |
Nguyễn Thành Long Giang (born 6 September 1988[1] in Gò Công township, Tiền Giang, Vietnam) is a Vietnamese footballer. He is playing for Navibank Sài Gòn in Vietnamese Super League. He was called to Vietnam national under-23 football team at 2009 Southeast Asian Games.