Lieutenant-Colonel Arthur William Brewill DSO, TD, FRIBA (17 May 1861 – 18 February 1923) was an architect based in Nottingham.
He was the son of William Rastall Brewill (1804–1897) and Sophia (1820–1886). He was educated at University School with a private tutor. He married Clementine Katherine Thornley in 1881 in St. Andrew's Church, Nottingham. They had 3 sons and 2 daughters.
He was made Lieutenant in the Robin Hood Rifles in 1881 which became the 7th (Robin Hood) Battalion of the Sherwood Foresters, taking over command of the Battalion on 31 July 1915 at Hooge when they were ordered to dig a new trench and connect the British line where it had been captured by the Germans.
He commanded the Battalion at the attack on the Hohenzollern Redoubt on 13 October 1915 He was mentioned in despatches and awarded the Distinguished Service Order.
He studied architecture under Samuel Dutton Walker in Nottingham from 1877–1882. He studied at the Nottingham School of Art in 1882. He became a Fellow of the Royal Institute of British Architects on 21 November 1892, and was Surveyor to the Diocese of Southwell.
He worked in partnership with Basil Edgar Baily from 1894–1922 in Nottingham. He was succeeded by his son, Lionel Colin Brewill.