Prince Frederick Henry Louis of Prussia (German: Friedrich Heinrich Ludwig; 18 January 1726 – 3 August 1802), commonly known as Henry (Heinrich), was a Prince of Prussia and the younger brother of Frederick the Great.
He also served as a general and statesman, leading Prussian armies in the Silesian Wars and the Seven Years' War, having never lost a battle in the latter.
In 1786, he was suggested as a candidate for a monarch for the United States.