A miller is a person who owns or operates a mill in which grain is crushed and ground to make flour.
Miller is the name of some places in the United States of America including
People whose surname is or was Miller include
- Alice Miller – Polish-Swiss psychologist
- Arthur Miller – American playwright
- Buddy Miller – American country singer
- Coco and Kelly Miller – basketball players
- David Miller - Mayor of Toronto
- Dayton C. Miller – American physicist, flutist and collector
- Dorothy Miller ("Miss Miller") (The Tonight Show)
- Frank Miller – American writer and artist (comic books)
- George Miller – Australian film director
- George A. Miller – psychologist, Princeton
- Glenn Miller – big band leader
- Henry Miller – American author (Tropic of Cancer)
- Hugh Miller – 19th century Scottish geologist and man of letters
- Joaquin Miller – 19th century American poet
- Joe Miller – early 18th century British actor and collector of witticisms
- John Miller – builder of roller coasters
- Jonathan Miller - physician and television presenter
- Jonny Lee Miller – British actor
- Julie Miller – American country singer
- Lee Miller – American photographer
- Leszek Miller – Prime Minister of Poland
- Linda Lael Miller - author of western historical romances
- Marcus Miller – jazz musician
- Matt Miller - Hick.org
- Merton Miller – American economist, collaborator of Franco Modigliani (Modigliani-Miller theorem)
- Mrs. Miller (Elva Ruby Connes) - American singer
- Ralph Miller – American engineer (Miller cycle)
- Robyn and Rand Miller – computer game creators (Myst)
- Roger Miller - American singer
- Samuel Freeman Miller – 19th century American jurist
- Stanley L. Miller – American scientist, collaborator of Harold C. Urey (Urey-Miller experiment)
- Stephen Miller - former Governor of Minnesota
- Steve Miller – blues and rock'n'roll guitarist (Steve Miller Band)
- Sue Miller - American novelist
- Walter M. Miller, Jr – American science fiction author (A Canticle for Leibowitz)
- William Miller – American religious leader (Millerites)
- "The Miller's Tale" is one of Geoffrey Chaucer's Canterbury Tales.
- Daisy Miller is a short novel (1878) by Henry James.
- McCabe & Mrs. Miller is a 1971 anti-Western movie.
- Barney Miller was an American television series (1975 – 1982).
- Miller's Crossing is a 1990 movie about gang war and corruption.
- The Miller test was developed, and is used, by the United States Supreme Court.
- In telecommunication, Miller encoding is the same as delay encoding.
- Miller's knot is a binding knot.
- Finally, Miller Brewing is a large American beermaker based in Milwaukee.