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:
“He never told us what he was,
Or what mischance, or other cause,
Had banished him from better days
To play the Prince of Castaways.”
—Edwin Arlington Robinson (1869–1935)
“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)