Robert Hauschild Liebeck is an American aerodynamicist, professor and aerospace engineer. Until retiring from his position as senior fellow at the Boeing Company. in 2020, he oversaw their Blended Wing Body ("BWB") program. He has been a member of the National Academy of Engineering since 1992, where he is an AIAA Honorary Fellow, the organization’s highest distinction. He is best known for his contributions to aircraft design and his pioneering airfoil designs known as the "Liebeck Airfoil". Since his retirement he remains active in aviation industry associations and continues to teach at UCI.