MacArthur or Macarthur is a surname, originating with the Scottish Clan MacArthur and now spread through English-speaking countries. Notable people with the surname include:
Business
Catherine T. MacArthur (1909–1981), American businesswoman, philanthropist, wife of John D. MacArthur
Elizabeth Macarthur (1766–1850), Australian businesswoman, wife of John Macarthur (wool pioneer)
This page lists people with the surnameMacArthur. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.