James Macarthur (7 June 1848 – 2 May 1922) was a British Anglican Bishop in the late 19th and early 20th century.Macarthur was educated at the University of Glasgow and studied for ordination at Ripon College Cuddesdon. From 1878 he was Curate at St Mary Redcliffe in Bristol before Incumbencies in Lamplugh and Westminster. Promotion to Rural Dean of Ealing followed before his elevation to the Episcopate as Bishop of Bombay in 1898.