List of Famous people named Arnold

Arnold of Altena, count of Altena, count of Isenberg and Hövel, Vogt of Werden (1166–1209) was son of Eberhard IV of Berg. He inherited the north-western territorium of Altena, and became 1st count of Isenberg in 1200.

Arnold Joseph Toynbee was a British historian, a philosopher of history, an author of numerous books and a research professor of international history at the London School of Economics and King's College London. From 1918 to 1950, Toynbee was considered a leading specialist on international affairs.

Arnold Duncan McNair, 1st Baron McNair, was a British legal scholar, university teacher, judge of the International Court of Justice and later the first president of the European Court of Human Rights.

Arnold Walter Lawrence, was a British authority on classical sculpture and architecture. He was Laurence Professor of Classical Archaeology at Cambridge University in the 1940s, and in the early 1950s in Accra he founded what later became the Ghana Museums and Monuments Board as well as the National Museum of Ghana. He was the youngest brother of T. E. Lawrence and his literary executor.

Arnold William "Arnie" Klein was an American dermatologist.

Arnold von Siemens was a German telecommunications industrialist of the Siemens family, one of the successors on his family's company Siemens.

Arnold I of Egmond, in Dutch Arnoud, Arend, or Arent van Egmond, was Lord of Egmond and IJsselstein.

Arnold Joost van Keppel, 1st Earl of Albemarle,, and lord of De Voorst in Guelders (Gelderland), was a Dutch military leader who fought for King William III of England and became the first Earl of Albemarle. He was the son of Oswald van Keppel and his wife Anna Geertruid van Lintelo. De Voorst is a large country house near Zutphen, financed by William III, and not unlike the royal palace Het Loo in Apeldoorn.