Frederick William II may refer to:
- Frederick William II, Duke of Saxe-Altenburg (1603–1669)
- Frederick William II of Prussia (1744–1797), King of Prussia from 1786
Famous quotes containing the words frederick william and/or frederick:
“Science is the knowledge of many, orderly and methodically
digested and arranged, so as to become attainable by one. The
knowledge of reasons and their conclusions constitutes abstract, that of causes and their effects, and of the laws of nature, natural science.”
—John Frederick William Herschel (1792–1871)
“Up rose old Barbara Frietchie then,
Bowed with her fourscore years and ten;
Bravest of all in Frederick town,
She took up the flag the men hauled down;”
—John Greenleaf Whittier (1807–1892)