Yu Lik-wai (simplified Chinese: 余力为; traditional Chinese: 余力爲; pinyin: Yú Lìwéi; Jyutping: Yu4 Lik6 Wai4; born 12 August 1966), sometimes credited as Nelson Yu, is a Hong Kong cinematographer, film director, and occasional film producer. Born in Hong Kong, Yu Lik-wai was educated at Belgium's INSAS (Institut National Superieur des Arts de Spectacle) where he graduated with a degree in cinematography in 1994. Yu has become a mainstay in both the cinemas of China (where he is perhaps best known for his collaborations with director Jia Zhangke) and Hong Kong.