Niel Alexander McDonald Walker (22 August 1895 – 10 August 1960) was a British army officer and a cricketer who played in tournaments in India and for Derbyshire. Walker was born at Poona, Maharashtra, India. At the start of the First World War he was at the Royal Military College, Sandhurst, and was commissioned as a 2nd Lieutenant into the Sherwood Foresters on 12 May 1915. Walker was a right-hand batsman who played 6 innings in 4 first-class matches. His top score was 18 and his average 8. He was a right-arm medium pace bowler and took 2 wickets at an average of 38.5.