- Source: Frederick St John
- Johann Friedrich II
- Johann Friedrich I dari Sachsen
- Ernest Frederick Beal
- Friedrich III dari Sachsen
- St James's Theatre
- Frederick Scherger
- Frederick Sanger
- John F. Kensett
- George III dari Britania Raya
- George IV dari Britania Raya
- Frederick St John
- Frederick St John Barne
- Frederick St John (British Army officer)
- Burke Trend
- Viscount Bolingbroke
- St John (name)
- Henry St John, 1st Viscount Bolingbroke
- Frederick St John, 2nd Viscount Bolingbroke
- Frederick Gebbie
- Prince Frederick, Duke of York and Albany
Frederick St John may refer to:
Frederick St John, 2nd Viscount Bolingbroke (1732–1787), British peer and courtier
Frederick Robert St John (1831–1923), British Envoy to Venezuela, Serbia and Switzerland
Frederick St John (British Army officer) (1765–1844), general, MP for Oxford