Hong Cha-Ok (Hangul: ???, Hanja: ???) (born March 10, 1970 in Gunwi County, Gyeongsangbuk-do, South Korea) is a former female table tennis player from South Korea who competed in the 1992 Summer Olympics.
She was a member of the Korea Unified team for the 1991 World Table Tennis Championships in Chiba City, Japan.