| Nguyễn Quốc Long | |
| Fullname: | Nguyễn Quốc Long |
| Birth Date: | 1988 2, df=yes |
| Birth Place: | Hải Dương, Vietnam |
| Height: | 1.70NaN0 |
| Position: | Right back |
| Years1: | 2008–2009 |
| Clubs1: | Thể Công |
| Caps1: | 14 |
| Goals1: | 0 |
| Years2: | 2010–2016 |
| Clubs2: | Hà Nội |
| Caps2: | 103 |
| Goals2: | 1 |
| Years3: | 2016–2020 |
| Clubs3: | Sài Gòn |
| Caps3: | 100 |
| Goals3: | 2 |
| Years4: | 2021 |
| Clubs4: | Hà Nội |
| Caps4: | 3 |
| Goals4: | 0 |
| Years5: | 2022 |
| Clubs5: | Sài Gòn |
| Caps5: | 3 |
| Goals5: | 0 |
| Totalcaps: | 223 |
| Totalgoals: | 3 |
| Nationalyears1: | 2011–2012 |
| Nationalteam1: | Vietnam U23 |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Pcupdate: | 1 April 2018 |
Nguyễn Quốc Long (born 19 February 1988) is a Vietnamese retired professional footballer who played as a right back.
Nguyễn Quốc Long began his career at Thể Công. He then spent most of his career with mixed successes at Hanoi FC and Saigon FC.