List of Famous people named Arnold

Arnold Laven was an American film and television director and producer. He was one of the founders and principals of the American film and television production company Levy-Gardner-Laven. Laven was a producer of, among other things, the western television series The Rifleman and The Big Valley. He also directed motion pictures, including Without Warning!, The Rack, The Monster That Challenged the World, Geronimo, Rough Night in Jericho, and Sam Whiskey. In the 1970s and early 1980s, Laven directed dozens of episodes of television series, including episodes of Mannix, The A-Team, Hill Street Blues, The Six Million Dollar Man, Fantasy Island, The Rockford Files and CHiPs.

Arnold Ruge was a German philosopher and political writer. He was the older brother of Ludwig Ruge.

Arnold Pick was a Jewish Czech psychiatrist. He is known for identifying the clinical syndrome of Pick's disease and the Pick bodies that are characteristic of the disorder. He was the first to name reduplicative paramnesia. He was the second to use the term dementia praecox. Pick trained in Berlin with Carl Friedrich Otto Westphal and later worked at the infamous asylum of Wehnen. Pick headed the Prague neuropathological school and one of the school's members was Oskar Fischer. This school was one of the two neuropathological schools in Europe at the time that framed Alzheimer disease through empirical discoveries.

Arnold Edward Ortmann was a Prussian-born United States naturalist and zoologist who specialized in malacology.The standard author abbreviation A.E.Ortmann is used to indicate this person as the author when citing a botanical name.

Arnold Hermann Ludwig Heeren was a German historian. He was a member of the Göttingen School of History.