CJ Group (Korean: 씨제이) is a South Korean international conglomerate holding company and one of the largest chaebol headquartered in Seoul, South Korea. It comprises numerous businesses in various industries of food and food service, pharmaceutics and biotechnology, entertainment and media, Pager and Telephone. CJ Group was originally a branch of Samsung.

A chaebol is a large industrial South Korean conglomerate run and controlled by an individual or family. A chaebol often consists of multiple diversified affiliates, controlled by a person or group. Several dozen large South Korean family-controlled corporate groups fall under this definition. The term first appeared in English text in 1972.