Joseph Koo Kar-Fai MBE GBS (Chinese: 顧嘉煇; 25 February 1931 – 3 January 2023) was a Hong Kong composer.

Joseph Koo Ka-Fai , 顧嘉輝 , Ku Chia-hui , Joseph Curtis , Ku Chia Fai , Ku Chia Fei , Jia Hui Gu , Jiahui Gu , Ku Chia Hui , Joseph Ko , Joseph Ka-Fai Koo , Ka-Fai Koo , C.H. Ku , Chia Fei Ku , Chia Hui Ku , 顾嘉辉