What is "oudin"

Oudin is a surname that may refer to:

• César Oudin (c. 1560–1625), French linguist and philologist
• Eugène Oudin (1858–1894), American baritone, composer and translator
• Manny Oudin (born 1968), soccer coach and former player
• Melanie Oudin (born 1991), American tennis player
• Paul Oudin (1851–1923), French doctor