MacArthur
- Not to be confused with McArthur (disambiguation)
MacArthur or Macarthur may refer to:
Geography
- Division of Macarthur, Sydney
- General MacArthur, Eastern Samar, Philippines
- John D. MacArthur Beach State Park, West Palm Beach, Florida
- Macarthur, Australian Capital Territory, a suburb of Canberra
- Macarthur, New South Wales, a region of Metropolitan Sydney
- Macarthur, Victoria, Australia
- MacArthur, Leyte, Philippines
- MacArthur, West Virginia
People
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
Other
- Division of Macarthur, Australian federal electoral division
- INSS MacArthur, starship featured in the science fiction novel The Mote in God's Eye
- Fort MacArthur, former military base in Los Angeles
- Long Island MacArthur Airport, Suffolk County, New York
- Macarthur (novel), by Bob Ong
- MacArthur Boulevard (disambiguation), multiple uses
- MacArthur Center, shopping mall in Norfolk, Virginia
- MacArthur Fellows Program, fellowship/grant awarded by the MacArthur Foundation
- MacArthur Foundation, private, independent grantmaking institution
- MacArthur Freeway, segment of Interstate 580
- MacArthur Park, western Los Angeles, California
- "MacArthur Park" (song), based on the Los Angeles park
- MacArthur (film), movie biography of Douglas MacArthur