Oliver Wolf Sacks (born July 9, 1933, London) is a United States-based British neurologist who has written popular books about his patients, the most famous of which is Awakenings, which was adapted into a film starring Robin Williams and Robert De Niro.

Sacks considers that his literary style follows the tradition of 19th-century "clinical anecdotes," a literary style that included informal case histories, following the writings of Alexander Luria.Sacks is a childhood friend of Jonathan Miller and a cousin of Robert Aumann and the late Abba Eban.