The Wallis WA-120 is an experimental British autogyro developed by Ken Wallis.

Following on from his family of single-seat autogyros former Royal Air Force aviator Wing Commander Ken Wallis developed a high-performance long-range variant with an enclosed cockpit.

The WA-120, registered G-AYVO, was first flown on 13 June 1971.

[1] The autogyro is powered by a 130 hp (97 kW) Rolls-Royce Continental O-240-A piston engine driving a four-bladed pusher propeller.

[1] Data from [1]British Civil Aircraft since 1919 – Volume 3General characteristics Performance