Prince Paul III Anthony of Esterházy (German: Fürst Paul III Anton Esterházy von Galántha; Hungarian: Ispán Pál III Antal Eszterházy de Galántha) (1786 - 1866) was the Imperial Prince of Esterházy von Galántha (1833 - 1866). He succeeded his father Nicholas II Ferdinand in 1833, and was succeeded by Nicholas III Paul in 1866.

During the Napoleonic Wars Paul III Anthony served in the Austrian embassy in London, and in 1807 in the Austrian embassy in Paris under Clemence von Metternich. After the defeat of Napoleon and the Congress of Vienna, Paul Anthony served as the Austrian ambassador to Great Britain. He represented Austria at the coronation of Charles X of France, and also represented Austria at the London Conference (1830 - 1838). He served as Minister of Foreign Affairs in Hungary's first responsible parliament in 1848, but resigned after failing to reconcile the court and parliament. The last years of Paul Anthony's life was spent in impoverished obscurity.

Preceded by:

Paul III Anthony

Succeeded by:

Nicholas II Ferdinand Esterházy von Galántha
1833 - 1866
Nicholas III Paul