Others
- John Miller (1865 Medal of Honor recipient) (1839–1882), Medal of Honor recipient
- John Miller (engineer) (1805–1883), 19th century Edinburgh-based railway engineer (Grainger & Miller)
- John Miller (outlaw) (c.1850–1937)
- John Miller (entrepreneur) (1872–1941), roller coaster designer and builder
- John Miller (minister), Moderator of the General Assembly of the Church of Scotland, 2001
- John Bryan Peter Miller (1903–1994), British recipient of the George Cross in World War II
- John Classon Miller (1836–1884), Ontario lumber merchant and political figure
- John Frederick Miller (1759–1796), English illustrator
- John Grider Miller (1935–2009), Colonel in the United States Marine Corps
- John Henry Miller (1702–1782), printer and publisher
- John Michael Miller (born 1946), Canadian prelate of the Roman Catholic Church
- John Milton Miller (1882–1962), American electrical engineer
- John Ramsey Miller (born 1949), American author
- John William Miller (1895–1978), American philosopher
- John W. Miller, United States Navy admiral
- Captain John H. Miller, fictional character in the 1998 film Saving Private Ryan
- John S Miller LHS Student
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