Louis Cha
- Birthday: 1924-03-10
- Deathday: 2018-10-30
- Place of birth: Хайнин, провинция Чжэцзян, Китай
- Also know as: Jin Yong
Louis Cha Jing-yong (Chinese: 查良鏞) (10 March 1924 – 30 October 2018), better known by his pen name Jin Yong (金庸), was a Chinese wuxia novelist and essayist who co-founded the Hong Kong daily newspaper Ming Pao in 1959 and served as its first editor-in-chief. He was Hong Kong's most famous writer.
