- English novelist, essayist, and critic.
- English physiologist: Nobel Prize in Medicine 1963 (half brother of Aldous and Sir Julian Sorell).
- English biologist and writer (brother of Aldous).
- English biologist and writer (grandfather of Aldous and Sir Julian Sorell Huxley).
- Aldous (Leonard) (ˈɔːldəs). 1894–1963, British novelist and essayist, noted particularly for his novel Brave New World (1932), depicting a scientifically controlled civilization of human robots
- his half-brother, Sir Andrew Fielding, 1917–2012, English biologist: noted for his research into nerve cells and the mechanism by which nerve impulses are transmitted; Nobel prize for physiology or medicine shared with Alan Hodgkin and John Eccles 1963; president of the Royal Society (1980–85)
- brother of Aldous, Sir Julian (Sorrel). 1887–1975, English biologist; first director-general of UNESCO (1946–48). His works include Essays of a Biologist (1923) and Evolution: the Modern Synthesis (1942)
- their grandfather, Thomas Henry. 1825–95, English biologist, the leading British exponent of Darwin's theory of evolution; his works include Man's Place in Nature (1863) and Evolution and Ethics (1893)