McArthur is a surname. It comes from the Celtic personal name Arthur. It denotes the 'son of Arthur', which means noble one.
Notable people with the surname include:
Barry McArthur (born 1947), English professional footballer
Charles McArthur (1844–1910), British maritime insurance specialist and Liberal Unionist politician from Liverpool, MP between 1897 and 1910
Daniel McArthur (1867–1943), Scottish footballer
Duncan McArthur (1772–1839), 11th Governor of Ohio
Gale McArthur, All-American basketball player
James McArthur (born 1987), Scottish footballer
John McArthur (1826–1906), Union general during the American Civil War
Katherine McArthur (born 1971), American astronaut
Kathleen McArthur (1915–2001), Australian environmental activist
Ken McArthur (1881–1960), South African athlete
Lewis A. McArthur (1883–1951), American businessman, geographer and author
Lewis Linn McArthur (1843–1897), American newspaper publisher and Oregon Supreme Court Justice
Nancy McArthur, American children's author
Stewart McArthur (born 1937), Australian politician
Wally McArthur (disambiguation)
William Pope McArthur (1814–1850), a United States Coast Survey officer
William S. McArthur (born 1951), American astronaut
