Sir Colville Herbert Sanford Barclay, 14th Baronet (7 May 1913 – 1 September 2010) was a British naval officer, painter and botanist whose career spanned amphibious landings and commando operations off the coast of France during the Second World War, having his paintings exhibited at the Royal Academy, publishing reference works about the flora of Crete and taking commissions to obtain plant samples from across the world for the Royal Botanic Gardens, Kew.