Ku Ja-ryong (Korean: 구자룡; Hanja: 具滋龍; born 6 April 1992) is a South Korean football defender who plays for Jeonbuk Hyundai Motors.
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.
This biographical article related to a South Korean association football defender is a stub.