Sir John Coldbrook Hanbury-Williams CVO (28 May 1892 – 10 August 1965) was a British businessman and courtier.

[1] He began his business career at Rice Bros. in London and Manchester, prior to the First World War breaking out.

[1] Prior to the Second World War, Hanbury-Williams was responsible for Courtaulds involvement with nylon, invented in 1935 by DuPont.

Post-war, the company also needed to replenish its staff across the board and underwent a period of major recruitment.

A particular achievement for Hanbury-Williams was the return to the United States in 1951 with the establishment of a new American subsidiary, Courtaulds, Inc.[1] Additionally, Hanbury-Williams served as chairman of the Prime Minister's Committee on the ordering procedure for civil aircraft in 1948; honorary treasurer (and later a trustee) of the Commonwealth Study Conference at Oxford in 1956; president of the International Association for the Protection of Industrial Property in 1959–60; and a vice-president of the National Council for Social Service.

[4] Hanbury-Williams married Princess Zenaida Cantacuzène, daughter of Major-General Prince Mikhail Cantacuzène, 2nd Count Speransky and Julia Dent Grant, granddaughter of US President Ulysses S. Grant, on 1 November 1928 in Washington, D.C.