Luke Chia-Liu Yuan (simplified Chinese: 袁家骝; traditional Chinese: 袁家騮; pinyin: Yuán Jiāliú; Wade–Giles: Yüan Chia-liu; April 5, 1912 – February 11, 2003) was a Chinese-American physicist. He is the husband of the famous physicist Chien-Shiung Wu, who disproved the conservation of parity.