Sir Murdoch MacDonald KCMG CB (6 May 1866 – 24 April 1957) was a notable civil engineer and British politician. Born in Inverness, Scotland, MacDonald was educated at the Farraline Park Institution there, and would serve later as the constituency's MP from 1922 until 1950. A civil engineer by profession starting in 1890, MacDonald would work in British Egypt from 1898 to 1921. He established the firm of consulting engineers which eventually practiced under the name of Sir M MacDonald & Partners from 1927. In 1932, he became President of the Institution of Civil Engineers.