John D. Martin

John D. Martin may refer to:


 * John Donelson Martin (1830–1862), American soldier
 * John Donelson Martin Sr. (1883–1962), American judge and John Donelson Martin's grandson
 * John D. Martin (author) (born 1945), American finance and business author and professor
 * J. D. Martin (born 1983), American baseball player