Louis Cheung (Chinese: 張繼聰; born 11 January 1980) is a Hong Kong singer, songwriter, and actor.

In 1984, Cheung started acting in front of the camera, including a well-known ad for Nestle instant milk's "The dairy cows raised at 15th floor".

He has also written many songs for other famous Canto-pop singers, such as Eason Chan, Leo Ku, Hacken Lee, Eric Sun, and Joey Yung.

His first drama as a contracted artist with the station was "Inbound Troubles", playing the supporting role Sung Wai-chiu.

In 2013 and 2014, he acted in "Brother's Keeper", "Gilded Chopsticks", "Black Heart White Soul" and "Come On, Cousin," receiving critical acclaim for his ability to do both comedy and drama.