Alfred Hessell Tiltman FRAeS (1891 – 28 October 1975), known as Hessell Tiltman, was a notable and talented British aircraft designer, and co-founder of Airspeed Ltd. He graduated in engineering from London University, then served an apprenticeship with the Daimler Co in 1910-11 and worked on structural steel design in Canada (the Quebec bridge) and England. He left Airspeed soon after, and in 1948 co-founded Tiltman Langley, of which he was Technical Director and Chairman for six years.