Kong Ja-young (Korean: ???; born July 30, 1985 in Seoul, South Korea) is a female South Korean Judoka.
She is a graduate of Yong In University.She won a silver medal at the Doha Asian Games in 2006 and competed in the Olympics in 2008.
She went on to win a bronze medal at the Guangzhou Asian Games and competed in the 2011 World Judo Championships.As of 2016, Kong works as a policewoman in the Seoul Metropolitan Police Agency, serving Gangseo District.