What is "guyon"

Guyon can refer to:

• Prof. Dr. Jean Casimir Felix Guyon, Father of Urology & Ever First Urologist & Professor of Urology in the Entire World (University of Paris, France)
• Joe Guyon (1892–1971), American athlete and coach
• the character Sir Guyon
• Richard Debaufre Guyon, general of the Hungarian army during the 1848-49 war of independence
• Madame Guyon, Christian Mystic
• Jean Guyon, a mason