Christopher Grey Tennant, 2nd Baron Glenconner (14 June 1899 – 4 October 1983), of The Glen, Scottish Borders,^[1][2] was a British peer, businessman and Royal Navy officer.

He was the second son of Edward Tennant, 1st Baron Glenconner, a Liberal politician and businessman, and Pamela Wyndham, a daughter of Hon. Percy Wyndham and one of The Wyndham Sisters who later remarried the 1st Viscount Grey of Fallodon.^[2][3] He was educated at Eton, after which in 1912 he was commissioned as a sub-lieutenant in the Royal Navy.^[4] He served on HMS Lord Nelson, HMS Castor, and HMS Royal Oak during World War I.

Upon his father's death in 1920, and as a result of the premature death of his elder brother in World War I, he succeeded as Baron Glenconner and Baronet Tennant, of The Glen and St Rollox.^[4]

Like his grandfather, Sir Charles Tennant, Glenconner was a well-known patron of the arts. Aside from being chairman of various family related businesses, such as C. Tennant, Sons & Company, he served as chairman of Northern Assurance Co. Ltd. and was a director of Hambros Bank.^[5]

During World War II, Glenconner was head of SOE, Cairo.^[4]

Glenconner was married twice. Firstly, in 1925, to Pamela Winifred Paget (1903–1989), daughter of Sir Richard Paget, 2nd Baronet; secondly, in 1935, to Elizabeth Powell, daughter of Lt.-Col. Evelyn Powell.^[6] In total he had five children.^[6] He was the father of Colin Tennant, 3rd Baron Glenconner (1926–2010), who was noted for having owned and developed the Caribbean island Mustique.^[7] From his second marriage, he was the father of the novelist Hon. Emma Tennant (1937–2017).

• Portraits of Christopher Tennant, 2nd Baron Glenconner at the National Portrait Gallery, London