Air Vice-Marshal David Anthony Hobart, CB, LVO (born 24 December 1951) is a British executive, aeronautical engineer, and former Royal Air Force (RAF) officer. Having been commissioned into the RAF in 1972, he reached the rank of air vice-marshal and served as Assistant Chief of the Defence Staff (Policy) from 2001 to 2004. Following retirement from the military, he was chief executive of the Bar Council from 2004 to 2011, and has been chief executive of the since 2011. He also served as Gentleman Usher to Queen Elizabeth II.