Lu Wei-luan (simplified Chinese: ???; traditional Chinese: ???; pinyin: Lú Weiluán; born 1939), better known by her pen name Xiaosi (Chinese: ??; pinyin: Xiaosi), is a Hong Kong essayist, educator, and scholar.
She also writes under the pseudonyms of Mingchuan (??) and Lufan (??).
Her major publications include Talk on the Way«???»(1979), Moving in Daylight Shadows«???»(1982), and Notes from Discipleship «????»(1982).
Lu has been an eminent researcher of Hong Kong literature for decades and holds an honorary position at the Hong Kong Literature Research Centre of the Chinese University of Hong Kong.
She was also invited to be the columnist of two Hong Kong newspapers, the Sing Tao Daily and the Ming Pao.