John Innes Elliott CBE FRSA (13 November 1912 – 3 December 1989) was a British architect who, for twenty-seven years, was the surveyor and chief architect for the Metropolitan Police in London. He held the post from 1947 until 1974, the year of his retirement. He was the seventh such architect to hold the post since its inception in 1842. He took over the role from Gilbert Mackenzie Trench, who retired in 1945. Elliott's designs were carried out in the brutalist style.