Ken Freeman (born 1947) is a prominent English composer and session musician, primarily playing piano and synthesisers.

He is most prominently known for his work playing most of the synthesisers on Jeff Wayne's Musical Version of The War of the Worlds, and also as the composer of the theme music for BBC television's Casualty and Holby City. His session career has included work with artists including Justin Hayward, David Essex and Elkie Brooks.