John Cade (1912–1980) was an Australian psychiatrist.
John Cade may also refer to:
Jack Cade (1420–1450), leader of the Kent Rebellion John Cade (Knaresborough MP) (fl. 1571) for Knaresborough (UK Parliament constituency) John Cade (antiquarian) (1734–1806), English tradesman and writer on Roman remains John Cade (jockey) (1751–1826), St. Leger winning British jockey John H. Cade Jr. (1928–1988), Louisiana Republican state chairman John A. Cade (1929–1996), Maryland State Senator
Characters Johnny Cade, a character in the 1967 novel The Outsiders by S. E. Hinton