Secrets Worth Knowing
Written by	Thomas Morton
Date premiered	11 January 1798[1]
Place premiered	Covent Garden Theatre, London
Original language	English
Genre	Comedy

Secrets Worth Knowing is a 1798 comedy play by the British writer Thomas Morton.^[2]

The original Covent Garden cast included William Thomas Lewis as Rostrum, John Quick as Nicholas, Joseph George Holman as Egerton, Alexander Pope as Greville, Joseph Shepherd Munden as Undermine, John Fawcett as April, Thomas Knight as Plethora, Charles Farley as Valet, James Thompson as Cook and Isabella Mattocks as Sally.^[3]

• Nicoll, Allardyce. A History of English Drama 1660–1900: Volume III. Cambridge University Press, 2009.
• Hogan, C.B (ed.) The London Stage, 1660–1800: Volume V. Southern Illinois University Press, 1968.