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)
- Hannibal Hawkins Macarthur (1788–1861), Australian businessman and politician
- J. Roderick MacArthur (1920–1984), American businessman and philanthropist
- John Macarthur (wool pioneer) (1767–1834), Australian businessman, politician, and soldier
- John D. MacArthur (1897–1978), American businessman and philanthropist
Entertainment
Literature
Military
Politics
Sports
Science
Other people
Fictional Characters
See also
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