Keith Chan Siu-kei[1] (Chinese: 陳少琪) is a Chinese pop song lyricist and record producer from Hong Kong.

His work can be found in albums released by many Hong Kong singers, including Jacky Cheung, Hacken Lee, Andy Lau, Aaron Kwok, and Gigi Leung.

Chan, alongside composer Peter Kam Pui-tat, wrote the lyrics of "We Are Ready", the theme song for the 2008 Summer Olympics, held in Beijing,[3] sung by various singers as an ensemble.

Then he and Kam composed "I Can Fly" (我飛故我在), which Film Business Asia critic Derek Elley considered "half-memorable" but unsuccessful "at being an anthemnal [sic], uplifting ballad",[4] for the 2010 Chinese adaptation of High School Musical, Disney High School Musical China (歌舞青春), which Elley rated three points out of ten.

[4] In 2014, he and composer Su Yicheng (蘇亦承) wrote "Tears Of Time" (時間有淚) for Jacky Cheung's Mandopop album, Wake Up Dreaming.