Iain Douglas-Hamilton CBE (born 16 August 1942) is a British zoologist known for his study of elephants. He earned both a BSc in biology and a D.Phil. in zoology from Oriel College, Oxford, and he is the recipient of the 2010 Indianapolis Prize for his work on elephant conservation. His chief research interest is to understand elephant choices by studying their movements. In 1993, he founded the organisation Save the Elephants. He is a frequent keynote speaker at the annual Wildlife Conservation Network expo.