Prince Albert Casimir of Saxony, Duke of Teschen (11 July 1738, Moritzburg, Electorate of Saxony – 10 February 1822, Vienna) was a German prince from the House of Wettin who married into the Habsburg imperial family. He was a younger son of King Augustus III of Poland (who was also Elector of Saxony) and Maria Josepha of Austria, a first cousin of Empress Maria Theresa. Young Albert was specifically chosen by Archduchess Maria Christina of Austria to be her husband. From his father-in-law's estate, Albert received the territory of Teschen in Austrian Silesia and was accordingly given the title of Duke of Teschen. Albert was royal governor of Hungary from 1765 to 1781, with his seat at Bratislava Castle and his summer residence in Halbturn Castle at Neusiedl. He was then made Governor of the Austrian Netherlands, along with his wife. In Brussels, they built Laeken palace (the present-day home of the Belgian royal family) as their seat.

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