Jean Marie Charles Abadie

Jean Marie Charles Abadie (25 March 1842 – 29 June 1932) was a French ophthalmologist who was a native of Saint-Gaudens.

He became a hospital intern in 1868 and a medical doctor in 1870. He practiced medicine at the Hôtel-Dieu de Paris. In 1881 he was made a chevalier of the Légion d'honneur.

Abadie was involved in developing treatments for glaucoma and trachoma, and discovered a diagnostic sign for exophthalmic goiter known as "Abadie's sign". He also introduced the practice of injecting alcohol into the Gasserian ganglion as a treatment for trigeminal neuralgia.