Derek Yee Tung-sing (simplified Chinese: 尔冬升; traditional Chinese: 爾冬陞; pinyin: Ěr Dōngshēng; Jyutping: Yee5 Tung1 Sing1), born in 1957, is a former Shaw Brothers actor from Hong Kong, currently a film director and screenwriter, who has achieved fame and respect in Hong Kong and international film festival circuits for treading carefully commercial viability concerns with artistic integrity.