// Workers AI · dad joke modeWhat did Jason say to his duplicates? "You're just a name-sake.

Jason is a hero of Greek mythology.

Jason or JASON may also refer to:

People and fictional characters

Jason (given name), including a list of people and fictional characters
Jason (surname), a list of people
Jason (Spanish footballer), Spanish football player David Remeseiro Salgueiro (born 1994)
Jason (cartoonist), pen name of John Arne Sæterøy (born 1965)

Jason (opera), a 1696 opera by Pascal Collasse, libretto by Jean-Baptiste Rousseau
Jason (painting), an 1802 work by J.M.W. Turner
"Jason" (song), by Terrorvision from Formaldehyde

HMS Jason, various Royal Navy ships
USS Jason (AC-12), a US Navy collier (1912–1936), sold in 1936 and renamed SS Jason
USS Jason (AR-8), a US Navy repair ship (1944–1995)
Jason (1803 ship), a merchant ship purchased by the Royal Navy in 1804 and converted into the sloop HMS Volcano
Jason (1881 ship), a Norwegian whaling ship

Jason, a crater on Phoebe, one of Saturn's moons
Jason, one of two Large low-shear-velocity provinces in the Earth's mantle
JASON Project, a high school science advocacy program
JASON reactor, a nuclear reactor in Greenwich, London, England
Jason (rocket), a sounding rocket launched in 1958
Jason (ROV), an unmanned submersible robot developed by Robert Ballard
- Jason Jr., a prototype of the Jason ROV submersible
Jason satellite series (Joint Altimetry Satellite Oceanography Network), a series of oceanographic radar altimeter satellites
- Jason-1, a satellite altimeter used to measure the ocean surface topography, deactivated 2013
- Jason-2, a satellite altimeter, successor to Jason-1
- Jason-3, a satellite altimeter, successor to Jason-2