Air Chief Marshal Frank Robert Miller, CC, CBE, CD (April 30, 1908 – October 20, 1997) was a Canadian airman, the last Chairman of the Chiefs of Staff in 1964, the first Chief of the Defence Staff from 1964 until 1966, and Deputy Minister of National Defence.
He held a range of Air Force training appointments during World War II.
Miller is one of two Air Marshal of the RCAF and last person to hold the rank before it was eliminated by the unification of the military services in 1968.