Discoverer may refer to:

• MS World Discoverer cruise ship wrecked off the Solomon Islands in 2000
• Discoverer Clear Leader double-hulled dynamically positioned drillship (2007), sister ships are
  • Discoverer Americas
  • Discoverer Inspiration
  • Discoverer Luanda
  • Discoverer India
• Discoverer Enterprise double-hulled dynamically positioned drillship (1999), sister ships are
  • Discoverer Spirit
  • Discoverer Deep Seas
• Silver Discoverer cruise ship
• Coral Discoverer cruise ship
• USC&GS Discoverer, the name of two ships of the United States Coast and Geodetic Survey

• Corona satellites, a 1959-1962 classified U.S. military satellite program publicly labeled the Discoverer non-military scientific program
• The Discoverer, a novel by Norwegian author Jan Kjærstad
• "Discoverer" (R.E.M. song)
• The Discoverers, a non-fiction book
• The Discoverers, film directed and written by Justin Schwarz
• "Discoverer", a song on the album Collapse into Now by R.E.M.
• Discoverer Seamount, an undersea geographic feature named after NOAAS Discoverer (R 102)
• Oracle Discoverer software

• All pages with titles containing Discoverer
• Discover (disambiguation)
• Discovery (disambiguation)
• Once Upon a Time... The Discoverers, French animated TV series