Douglas Hastings Macarthur

Douglas Hastings Macarthur (1839 – 24 May 1892) was a 19th-century independent conservative Member of Parliament in the Manawatū region of New Zealand.

He represented the Manawatu electorate from 1884 to 1890, and then the Rangitikei electorate from 1890 to 1892, when he died. He briefly served as the mayor of Feilding in 1885, being elected unopposed following the resignation of Hugh L. Sherwill.