Sir Charles William James Orr, KCMG (20 September 1870 – 1945) was a British colonial administrator. He was born the youngest son of Major Andrew Orr of Co. Londonderry and educated at Bath College and the Royal Military College, Woolwich. Charles’ elder sister was the astronomer Mary Acworth Orr. He served as Governor of the Bahamas from 1927 to 1932 and was knighted KCMG in 1928. Orr wrote two well-received books during his career, The Making of Northern Nigeria in 1911 and Cyprus under British Rule in 1918.