Alastair Fothergill (born 10 April 1960) is a British producer of nature documentaries for television and cinema. He is the series producer of the multi-award winning series The Blue Planet (2001), Planet Earth (2006) and the co-director of the associated feature films Deep Blue and Earth.
Born in London, Fothergill attended Orley Farm School & Harrow School. He studied zoology at St Cuthbert's Society in the University of Durham and made his first film, On the Okavango, while still a student. Fothergill joined the BBC Natural History Unit in 1983, working on The Really Wild Show, Wildlife on One and David Attenborough's The Trials of Life. He was appointed head of the Unit in 1992, and during his tenure he produced Attenborough's award-winning series Life in the Freezer.
He was awarded the Royal Geographical Society's Cherry Kearton Medal and Award in 1996.
In June 1998, he stood down as head of the Natural History Unit to concentrate on his work as series producer on the multi-award winning The Blue Planet. In 2006 he completed his next major series Planet Earth.