John Anthony Leavey (3 March 1915 – 9 July 1999) was a British company director and politician.
Leavey's father George was chairman of Smith & Nephew, then an engineering firm who had not yet specialised in medical devices. He went to Mill Hill School and then Trinity Hall, University of Cambridge before returning to east Lancashire where he became a director of companies involved in the weaving and matchmaking industries in Colne and Rawtenstall.
As the Second World War loomed, Leavey joined up and served in the 5th Royal Inniskilling Dragoon Guards in France and Belgium; he only just escaped at Dunkirk, being one of the last to be evacuated. On arriving back in Britain the regiment underwent training in the midlands where Leavey organised a pack of fox hounds with which to go fox hunting. He was pleased to return to liberate France after D Day, fighting through to the end of the war. He was mentioned in despatches and reached the rank of Major. After demobilisation in 1946, Leavey was employed by the family firm of Smith and Nephew and became a Director in 1948. He joined the Yorkshire Hussars in the Territorial Army as a Major in 1952, but left in 1955.
At the 1950 general election he was picked to challenge the already well-known Labour MP Barbara Castle in Blackburn East. At his second shot at the seat in 1951, he cut her majority to the point at which the seat looked vulnerable. Instead of fighting again, he was selected for Heywood and Royton, a Conservative seat where the sitting MP was retiring.