What is "baillon"

Baillon is a surname of French origin. Notable people with the surname include:

• Henri Ernest Baillon (1827–1895), French physician and botanist
• Louis Antoine François Baillon (1778–1851), French naturalist and collector
• Louis Charles Baillon (1881–1965), Falkland Islands field-hockey player
• Susan Janet Baillon (1957), aka Siouxsie Sioux, British singer-songwriter