Lieutenant General William Frederick Scarlett was a British peer and soldier
Henry James Wilson Scherren was the author of various books on natural history for adults and children, with notable illustrations including some in colour, and a contributor to the Encyclopaedia Britannica on natural history topics. He was a fellow of the Zoological Society of London. He wrote A Short History of the Zoological Society of London
Admiral Sir Percy Moreton Scott was a British Royal Navy officer and a pioneer in modern naval gunnery
Captain Robert Falcon Scott was a Royal Navy officer and explorer who led two expeditions to the Antarctic regions: the Discovery expedition of 1901-1904 and the Terra Nova expedition of 1910-1913
Walter Jervoise Scott was a grazier in Queensland, Australia. He was a pioneer in the Valley of Lagoons
Sir Felix Semon was a German-British pioneer in neurobiology and a prominent laryngologist in the United Kingdom. He is responsible for Semon's law
Carl Gottfriend Semper was a German ethnologist and animal ecologist