Flight Lieutenant Cecil Frederick "Jimmy" Rawnsley DSO, DFC, DFM & Bar (16 March 1904 – 12 February 1965) was a Royal Air Force night fighter observer radar operator and gunner during the Second World War.

He flew many of his sorties with John "Cat's Eyes" Cunningham who was credited with 20 kills, of which 19 were claimed at night, and 17 of which were achieved with Rawnsley.

On the 26 October 1943, after flying over 200 sorties with Cunningham and having been his radar operator during the downing of 17 enemy planes he was awarded a Distinguished Service Order (DSO).

He has been a splendid inspiration to his fellow operators.As observer, Flight Lieutenant Rawnsley has participated in more than 200 sorties and his brilliant work is beyond praise.

In addition to his work in the Air, Flight Lieutenant Rawnsley has devoted much service towards the training of other members of aircraft and his efforts have been attended with excellent results.