Sir Maurice Alberic Twisleton-Wykeham-Fiennes (1 March 1907 – 14 September 1994) was an English industrialist. He was educated at the independent Repton School in the village of Repton in Derbyshire and at Armstrong College in Newcastle-upon-Tyne.He was chairman of Davy-Ashmore in Sheffield and achieved success as a producer of high quality British steel.