54.209°N -3.27°WMillom was a rural district in Cumberland in England from 1934 to 1974.
It was formed by a County Review Order in 1934 by the merger of the Millom urban district with most of the Bootle Rural District.[1]
It continued in existence until 1 April 1974, when it was merged by the Local Government Act 1972 to form the Copeland district of Cumbria.[2]