Joseph Calasanza, Ritter von Arneth (1791–1863) was an Austrian numismatist and archæologist, born at Leopoldschlag, Upper Austria. He became custodian of the Cabinet of Coins and Antiquities in Vienna, and director of that institution in 1840, in which capacity he rendered very valuable services to the department of numismatics. Among his more important works are:
He was the father of Alfred von Arneth.
Regarding personal names: Ritter is a title, translated approximately as Knight, not a first or middle name. There is no equivalent female form.