Ji-yong () is a Korean given name. Notable people with the name include:

Real people Jeong Ji-yong, Korean poet Kang Ji-yong (1989–2025), South Korean football defender Kim Ji-yong (cinematographer), South Korean cinematographer and director Kim Ji-yong (pitcher) (born 1988), South Korean baseball pitcher Ko Ji-yong, South Korean businessman and singer Kwon Ji-yong, South Korean rapper, singer-songwriter, and entrepreneur Lee Ji-yong (born 1999), South Korean football winger Park Ji-yong (born 1983), South Korean football defender

Fictional characters Kim Ji-yong, Korean National Police University student in the South Korean TV series Vigilante (2023–present) Park Ji-yong, family patriarch in the 2024 South Korean horror film Exhuma