John Miller may refer to:

• John Miller (Indiana judge) (1840–1898), Justice of the Indiana Supreme Court, 1891-1893
• John Miller (North Dakota politician) (1843–1908), Governor of North Dakota, 1889–1891
• John Miller (Missouri politician) (1781–1846), Governor of Missouri, 1826–1832; U.S. Representative from Missouri, 1837–1843
• John Miller (Washington politician) (1938–2017), U.S. Representative from Washington
• John Miller (New York politician) (1774–1862), U.S. representative from New York
• John Miller (Virginia politician) (1947–2016), State Senator from Virginia
• John Miller (police official) (born 1958), New York Police Department official, former FBI official, journalist and former television host
• John E. Miller (1888–1981), U.S. Congressman from Arkansas and federal judge
• John E. Miller (Arkansas politician) (1929–2014), U.S. businessman and state representative in Arkansas
• John Franklin Miller (California politician) (1831–1886), U.S. Senator from California, uncle of John Franklin Miller the Washington congressman
• John Franklin Miller (Washington politician) (1862–1936), U.S. Representative from Washington
• John Gaines Miller (1812–1856), U.S. Representative from Missouri
• John Guerrant Miller (1795–1871), mayor of Columbus, Ohio
• John J. Miller (Virginia politician) (1849–1923), state legislator from Virginia
• John J. Miller Jr. (1923–2012), American politician in New Jersey
• John K. Miller (1819–1863), U.S. Representative from Ohio
• John Lester Miller (1901–1978), U.S. federal judge
• John Lucas Miller (1831–1864), attorney and state legislator in South Carolina
• John M. Miller (politician), member of the Maryland Senate
• John Miller (pseudonym), a pseudonym used by Donald Trump

• John Miller (engineer) (1805–1883), MP for Edinburgh 1868–1874
• John Ontario Miller (1857–1943), British Indian civil servant
• John Stewart Miller (1844–1936), former Member of Provincial Parliament in Ontario
• Sir John Miller, 2nd Baronet (1665–1721), MP for Chichester 1698–1700, 1701–1705 and 1710–1713 and Sussex 1701
• Sir John Miller, 3rd Baronet (1867–1918), Justice of the Peace and magistrate for Kent, 1889
• John Miller (New South Wales politician) (1870–1934), New South Wales state MP
• Sir John Riggs Miller (c. 1744–1798), Anglo-Irish politician
• John Miller (South Australian politician) (1840–1919), member of the South Australian House of Assembly
• John Classon Miller (1836–1884), Ontario lumber merchant and political figure
• John Miller (New Zealand politician), New Zealand politician and veterinarian, mayor of Invercargill

• John G. Miller (Medal of Honor) (1841–1909), American Civil War soldier and Medal of Honor recipient
• John Miller (1865 Medal of Honor recipient) (1839–1882), Hessian-born America Civil War soldier and Medal of Honor recipient
• John Miller (equerry) (1919–2006), British lieutenant-colonel and Crown Equerry
• John C. Miller Jr., United States Marine Corps general
• John H. Miller (born 1925), United States Marine Corps general
• John P. Miller (naval officer) (fl. 1920s), United States Navy officer and acting Naval Governor of Guam
• John W. Miller, United States Navy admiral
• John E. Miller (general) (born 1941), U.S. Army general
• John Grider Miller (1935–2009), United States Marine Corps officer
• John M. Miller III, American naval aviator

• John Miller (American artist) (born 1954), American visual artist, writer and musician based in New York and Berlin
• John Miller (Cornish artist) (1931–2002), English artist specializing in beach scenes
• John Miller (botanical illustrator) (1715–c. 1792), German engraver, painter, and botanist
• John Douglas Miller (1860–1903), English engraver
• John Frederick Miller (1759–1796), English illustrator
• John Paul Miller (1918–2013), American jewellery designer and goldsmith
• John M. Miller (artist) (born 1939), American painter based in Los Angeles

• John Miller (film producer), American film producer
• John Miller (musician) (born 1945), Broadway music coordinator and actor
• John Miller Jr. (born 1942), American bassoonist, principal of the Minnesota Orchestra
• John D. Miller (television executive) (born 1950), NBC advertising and marketing executive
• John Lloyd Miller, American filmmaker
• John P. Miller (born 1976), birthname of actor and singer Austin Miller
• John Miller, a pseudonym of Tjut Djalil (1927–2014), Indonesian filmmaker

• John Miller (footballer, born 1870) (1870–1933), Scottish footballer with Liverpool and Sheffield Wednesday
• John Miller (footballer, born 1878) (1878–?), Scottish footballer for Burnley
• John Miller (footballer, born 1890) (1890–1932), Scottish footballer
• John Miller (footballer, born 1895) (1895–1956), Scottish footballer for Liverpool and Aberdeen
• John Miller (Queen's Park footballer), Scottish footballer
• John Miller (St Mirren footballer) (fl. 1924–1934), Scottish footballer

• John Miller (fullback) (1894–1971), NFL player, 1921
• John Miller (offensive lineman, born 1934) (1934–2015), NFL player, 1956–1960
• John Miller (offensive lineman, born 1993), American football player
• John Miller (linebacker) (born 1960), NFL player, 1987
• Bing Miller (American football) (1903–1964), NFL player, 1929–1931

• Ox Miller (John Anthony Miller, 1915–2007), American baseball pitcher
• John Miller (first baseman) (1944–2023), baseball player in the United States (1966–1969) and Japan (1970–1972)
• John Miller (pitcher) (1941–2020), American baseball player for the Baltimore Orioles

• John F. Miller (American football) (1890–?), American football, basketball, and baseball coach and college athletics administrator
• John Miller (cyclist) (1881–1957), British Olympic road racing cyclist
• John Miller (basketball), American basketball coach
• John Miller (rower) (1903–1965), American rower
• John Miller (cricketer) (1770–1825), English first-class cricketer
• John Miller (weightlifter) (1909–1983), American Olympic weightlifter
• J. J. Miller (born 1933), Australian jockey and horse trainer
• Spider Miller (John Miller, born c. 1950), American amateur golfer

• John Jackson Miller (born 1968), American comic book writer and commentator
• John J. Miller (journalist) (born 1970), American political reporter
• John J. Miller (author) (1954–2022), science fiction author known for his work in the Wild Cards series
• John Miller (author), historical fiction author
• John Miller (journalist and author) (1932–2020), British journalist and author
• John Miller (police official) (born 1958), New York Police Department official, former FBI official, journalist and former television host
• John Ramsey Miller (born 1949), American author
• John Miller (writer) (born 1968), Canadian writer and consultant
• John Henry Miller (1702–1782), printer and publisher
• John Miller (literary historian), British academic
• John Miller (historian) (born 1946), British historian

• John C. Miller (born 1978), CEO of Cali Group
• John Miller (engineer) (1805–1883), Edinburgh-based railway engineer (Grainger & Miller)
• John A. Miller (1872–1941), roller coaster designer and builder
• John E. Miller III (born 1949), American marine biologist and Anglican bishop
• John Miller (minister), Moderator of the General Assembly of the Church of Scotland, 2001
• J. Michael Miller (born 1946), Canadian prelate of the Roman Catholic Church
• John Milton Miller (1882–1962), American electrical engineer
• John William Miller (1895–1978), American philosopher
• John Samuel Miller (1779–1830), English naturalist
• Captain John H. Miller, fictional character in the 1998 film Saving Private Ryan
• John Miller (entomologist) (1882–1952), American entomologist
• John Chester Miller (1907–1991), American historian
• John Harry Miller (1869–1940), Scottish theologian and principal of St Marys College at St Andrews University
• John H. Miller Jr., American physicist
• John William Miller (aviation) (1880–1953), American aviation pioneer, civil engineer, and professor
• John P. Miller (educator) (fl. 1960s–2000s), Canadian educator
• SS John Miller, a Liberty ship

• Johnny Miller (disambiguation)
• John Millar (disambiguation)
• Jack Miller (disambiguation)
• Jonathan Miller (disambiguation), also Jon Miller
• Miller (name)