John P. Miller may refer to:

John Paul Miller (naval officer) (1882–1945), United States Navy officer and acting Naval Governor of Guam John Paul Miller (1918–2013), American jewellery designer and goldsmith John P. Miller (born 1976), birthname of actor and singer Austin Miller John P. Miller (educator) (fl. 1960s–2000s), Canadian educator

See also John Miller (disambiguation)