John Frank

John Frank may refer to:
 * John Frank (epidemiologist) (born 1949), Canadian epidemiologist
 * John B. Frank (born 1956), managing principal of Oaktree Capital Management
 * John Frank (tight end) (born 1962), American football player
 * John G. Frank (1831–?), Wisconsin legislator
 * John Paul Frank (1917–2002), American lawyer and scholar
 * John Frank (defensive end) (born 1974), gridiron football player