Leslie Shepard (21 June 1917 – 20 August 2004) was a British author, archivist, and curator who wrote books on a range of subjects including street literature, early film, and the paranormal. Shepard was instrumental in documenting the work of the Alfred Wolfsohn Voice Research Centre and collaborated with Paul Newham to formulate an extended vocal technique based on the analysis of speaking and singing voices from diverse cultures and oral traditions.