Douglas MacArthur (1880–1964) was an American general of the army of World War II and the Korean War.

General MacArthur or McArthur may also refer to:

People

• Arthur MacArthur Jr. (1845–1912), American lieutenant-general and Governor-General of the Philippines, father of Douglas MacArthur
• Duncan McArthur (1772–1839), American brigadier-general during the War of 1812 and Governor of Ohio
• Sir Edward Macarthur (1789–1872), British lieutenant-general and commander-in-chief of British forces in Australia
• John McArthur (general) (1826–1906), Union major-general during the American Civil War

Other uses

• General MacArthur, Eastern Samar, a town in the Philippines named after Douglas MacArthur
• General Macarthur, a fictional character in Agatha Christie's novel And Then There Were None