Chen Yanyan, born Chen Jianyan, was a Chinese actress and film producer in the cinema of Republic of China (1912–1949), British Hong Kong and Taiwan.

The One-Armed Swordsman is a 1967 Hong Kong wuxia film produced by the Shaw Brothers Studio. Directed by Chang Cheh, it was the first of the new style of wuxia films emphasizing male anti-heroes, violent swordplay and heavy bloodletting. It was the first Hong Kong film to make HK$1 million at the local box office, propelling its star Jimmy Wang to super stardom.