John Lilly may refer to:John C. Lilly (1915–2001), American physician, psychoanalyst and writer
John Lilly, former chief executive officer of the Mozilla Corporation
John Lilly (priest), Archdeacon of Hereford
John Lilly (writer), English writer
Notable works:
Collection of Modern Entries; or, Select Pleadings in the Courts of King's Bench, Common Pleas, and Exchequer. . ; Volume 2
