Francis Wall Oliver FRS (10 May 1864 – 14 September 1951) was an English botanist. He was educated at Bootham School, York. He was Quain Professor of Botany at University College London 1890–1925 where he supervised the PhD of Margaret Jane Benson, and then Professor of Botany at the University of Cairo 1929–1935. He was elected a Fellow of the Royal Society in 1905. He was awarded the Linnean Medal in 1925. The standard author abbreviation F.Oliv. is used to indicate this person as the author when citing a botanical name.