Derek Yee Tung-sing (traditional Chinese: 爾冬陞; simplified Chinese: 尔冬升; pinyin: Ěr Dōngshēng) is a Hong Kong filmmaker and former actor.

Yee was born Yee Tung-sing in Hong Kong on 28 December 1957,[2] the son of Yee Kwong (爾光), a film producer from Tientsin (Tianjin), and Hung Wei (紅薇), an actress of half Manchu, half Mongol ethnicity.

He is known for the 2004 film One Nite in Mongkok,[4] which won multiple awards.

His other notable films include C'est la vie, mon chéri, Viva Erotica, The Truth About Jane and Sam and Protégé.

In 2017, Yee became the chairman of Hong Kong Film Awards Association.