Prince Frederick may refer to:
- Frederick III of Denmark (1609–1670), son of Christian IV of Denmark and Anne Catherine of Brandenburg
- Frederick, Prince of Wales (1707–1751), son of George II, later Prince of Wales
- Prince Frederick of Great Britain (1750–1765), son of Frederick, Prince of Wales
- Prince Frederick, Duke of York and Albany (1763–1827), son of George III, later Duke of York
- Prince Frederik of the Netherlands (full names: Willem Frederik Karel), Prince of Orange-Nassau (1797–1881), second son of king William I of the Netherlands
- Frederik, Crown Prince of Denmark (born 1968), son of Queen Margrethe II and her husband, Prince Consort Henrik
There is also a town called Prince Frederick:
- Prince Frederick, Maryland, in the United States
Famous quotes containing the words prince and/or frederick:
“No! I am not Prince Hamlet, nor was meant to be;
Am an attendant lord, one that will do
To swell a progress, start a scene or two,”
—T.S. (Thomas Stearns)
“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)