China O'Brien is a 1990 martial arts film produced by Golden Harvest studios and starring actress and martial artist Cynthia Rothrock with co-stars Richard Norton and Keith Cooke. The film was directed by Robert Clouse, the fight choreography was by Nijel Binns, and it was executive produced by Raymond Chow. Rothrock plays a former cop who runs for sheriff after her father, the previous sheriff, is killed.

Cynthia Ann Christine Rothrock is an American martial artist and actress best known for her martial arts films. Rothrock holds black belt rankings in seven styles of martial arts and was a high-level competitor in martial arts before becoming an actress. In 2014, she was inducted into the International Sports Hall of Fame.