| Ku Ja-ryong | |
| Fullname: | Ku Ja-ryong |
| Birth Date: | 6 April 1992 |
| Birth Place: | Wanju County, South Korea |
| Currentclub: | Jeonbuk Hyundai Motors |
| Clubnumber: | 15 |
| Position: | Centre-back |
| Youthyears1: | 2008–2010 |
| Youthclubs1: | Suwon Samsung Bluewings U-18 |
| Years1: | 2011–2019 |
| Clubs1: | Suwon Samsung Bluewings |
| Caps1: | 181 |
| Goals1: | 3 |
| Years2: | 2012–2013 |
| Clubs2: | → Ansan Police (army) |
| Caps2: | 6 |
| Goals2: | 0 |
| Years3: | 2020– |
| Caps3: | 54 |
| Goals3: | 1 |
| Nationalyears1: | 2014 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Pcupdate: | 3:40, 20 October 2023 |
| Ntupdate: | 1 November 2015 |
| Hangul: | 구자룡 |
| Hanja: | 具滋龍 |
| Rr: | Gu Jaryong |
| Mr: | Ku Charyong |
Ku Ja-ryong (; born 6 April 1992) is a South Korean football defender who plays for Jeonbuk Hyundai Motors.
Ku was born in Wanju.
Ku joined Suwon Samsung Bluewings in 2011 and in 2012, he was transferred to Ansan Police on loan to complete his military service as per South Korean law.
Ku made his league debut for Ansan Police on 12 May 2013 against Chungju Hummel FC.In September 2013, Ku returned to Suwon Samsung Bluewings.
| Club performance | League | Cup | League Cup | continental | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| South Korea | League | KFA Cup | Korean League Cup | Asia | Total | ||||||||
| 2011 | Suwon Samsung Bluewings | K League 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 2013 | Ansan Police | K League 2 | 6 | 0 | 0 | 0 | — | — | 6 | 0 | |||
| 2013 | Suwon Samsung Bluewings | K League 1 | 3 | 0 | 0 | 0 | — | 0 | 0 | 3 | 0 | ||
| 2014 | 7 | 0 | 0 | 0 | — | — | 7 | 0 | |||||
| 2015 | 25 | 0 | 0 | 0 | — | 3 | 1 | 28 | 1 | ||||
| 2016 | 32 | 1 | 4 | 0 | — | 4 | 0 | 40 | 1 | ||||
| 2017 | 29 | 0 | 3 | 0 | — | 4 | 0 | 36 | 0 | ||||
| 2018 | 22 | 0 | 2 | 0 | — | 9 | 0 | 33 | 0 | ||||
| 2019 | 30 | 1 | 6 | 0 | — | — | 36 | 1 | |||||
| 2020 | Jeonbuk Hyundai | K League 1 | 2 | 0 | 3 | 0 | — | 4 | 0 | 9 | 0 | ||
| 2021 | 17 | 0 | 1 | 0 | — | 5 | 0 | 23 | 0 | ||||
| 2022 | 15 | 1 | 1 | 0 | — | 2 | 0 | 18 | 1 | ||||
| Total | South Korea | 188 | 3 | 21 | 0 | 0 | 0 | 31 | 1 | 240 | 4 | ||
| Career total | 188 | 3 | 21 | 0 | 0 | 0 | 31 | 1 | 240 | 3 | |||