Sir Cyril Reginald Sutton Kirkpatrick (1872–1957) was a British civil engineer.^[1]

Cyril Kirkpatrick was born in London in 1872.^[2] Kirkpatrick was Chief Engineer for the Port of London and formed the engineering firm of Kirkpatrick and Partners in 1924.^[3] He served as president of the Institution of Civil Engineers between November 1931 and November 1932.^[4] Between 1938 and 1942 Kirkpatrick drew many plans to Maryport sea wall and Harbour.^[5]

Kirkpatrick's firm was also involved with the construction of concrete caissons for the Mulberry Harbours used following the Normandy Landings during the Second World War.^[3] He served as president of the Smeatonian Society of Civil Engineers in 1950.^[1]

Kirkpatrick's firm merged with Scott and Wilson to form Scott & Wilson, Kirkpatrick and Partners in 1951. This firm later became the Scott Wilson Group.^[3] which operated until 2012 as Scott Wilson group was bought out by the American Company URS.^{[citation needed]} URS was known as the 2nd global "consultancy-Engineering Firm in the World".^{[citation needed]}

In 2012, URS was bought out again by another American company, AECOM in 2015 who at the time was ranked 3rd globally.^{[citation needed]} So, by buying URS, they become ranked 1st Engineering Consultants Firm in the world.^{[citation needed]} AECOM projects are world wide.^{[citation needed]}