Cygnet can mean:
- Cygnet (bird), a young swan
- Cygnet (ship), a disambiguation page
- Cygnet, Ohio, a village in the United States
- Cygnet, Tasmania, a town in Australia
- Cygnet Cinema, a cinema located at 16 Preston Street, Como, Western Australia
- Cygnet Committee, a song written by David Bowie in 1969
- Cygnet ECM, an enterprise content management Solution
- Cygnet Island, a small islet in south-eastern Australia
- Cygnet Rowing Club, a rowing club founded in 1890 on the River Thames in England
- Cygnet Theatre Company, a theatre company in San Diego, California
- Cygnet Training Theatre, a British drama school based in Exeter, Devon
- Aston Martin Cygnet, a microcar manufactured by Aston Martin
- AEA Cygnet, a tetrahedral kite designed by Dr. Alexander Graham Bell and flown by First Lieutenant Thomas Selfridge
- General Aircraft Cygnet, a 1930s British light aircraft
- Golden Cygnet, a racehorse
- Hawker Cygnet, a British ultralight biplane aircraft of the 1920s
- Roberts Cygnet, glider
- UnKnown Aerospace Cygnet, a British cargo and logistics unmanned aerial vehicle system