Frank Newby (26 March 1926 – 10 May 2001) was one of the leading structural engineers of the 20th century, working with such architects as Philip Powell and Hidalgo Moya, Eero Saarinen, Cedric Price, James Stirling, and the practice of Skidmore, Owings and Merrill (SOM), and such engineers as Ove Arup and Felix Samuely.