- Category : 1831-births
- Type : MGE
- Profile : 2/4 - Hermit / Opportunist
- Definition : Split - Large
- Incarnation Cross : RAX Laws 2
French surgeon and urologist, primarily known for work with genitourinary anatomy, yet credited with the discovery of the ulnar canal at the wrist. This canal channels blood vessels and the ulnar nerve from the forearm to the hand, and is now known as Guyon's canal. Ulnar nerve compression at this location is sometimes referred to as "Guyon's tunnel syndrome".
He studied medicine in Paris, receiving his doctorate in 1858. He was appointed médecin des hôpitaux in 1864, and was later a professor of surgical pathology (from 1877) and genitourinary surgery (from 1890) at the University of Paris. In 1907, he along with urologists from Europe, the United States and South America established the Association Internationale d'Urologie.
Félix Guyon died in July or August 1920. In 1979 he was commemorated on a French postage stamp. The Hôpital Félix Guyon, located in Saint-Denis, Réunion, is named in his honour.