JPL is the Jet Propulsion Laboratory, a NASA federally funded research and development center.
JPL may also refer to:
Library bodies Jefferson Parish Library, library district in the United States Jacksonville Public Library, a library district in the United States Jewish Public Library (Montreal), a library in Canada
Companies JPL (cyclecar), a defunct American motor vehicle manufacturer JPL (Integrated Communications, Inc.), an American branding and marketing company
Sport leagues Jamaica Premier League, the top division association football league in Jamaica Jordanian Pro League, the top division association football league in Jordan Jupiler Pro League, the top division association football league in Belgium
Other uses Jon Peter Lewis, an American musician (born 1979) 78577 JPL, the asteroid "JPL", the 78577th asteroid registered, a main-belt asteroid
See also JPL sequence, a type of binary sequence used in telecommunications