This is alist of lost expeditions.

Name	Leader	Year lost	Region	Comments
Lost Army of Cambyses	Cambyses II	524 BC	Egypt	Cambyses II sent his army to destroy theOracle of Ammon atSiwa Oasis in 524 BC. 50,000 warriors entered Egypt’s western desert nearLuxor. According to the ancient historianHerodotus, somewhere in the middle of the desert the army was overwhelmed by a sandstorm and were presumed destroyed.
Vivaldi expedition	Vandino and Ugolino Vivaldi	1291	Morocco (North Africa)	Genoese exploration voyage to find a sea route to India. It was one of the first recorded voyages to sail from the Mediterranean into the Atlantic Ocean since thefall of the Roman Empire in the 5th century AD, and predated attempts byChristopher Columbus andVasco da Gama by two centuries.
Abubakari expedition	Abu Bakr II	1311	Atlantic Ocean	Mansa of theMali Empire who abdicated his throne in order to explore "the limits of the ocean".
Ferrer expedition	Jaume Ferrer	1346	Cape Bojador (Western Sahara)	Majorcan expedition to locate a fabled "river of gold" somewhere on the African continent.
Cabot's final expedition	John Cabot	1499	Atlantic Ocean	English expedition to exploreNewfoundland andeastern Canada.
Corte-Real expedition	Gaspar Corte-Real	1501	Labrador (Canada)	Portuguese expedition to discover theNorthwest Passage. Part of the expedition, captained by Gaspar's brotherMiguel Corte-Real, were sent back to Portugal and are the only known survivors from this expedition.
Corte-Real rescue expedition	Miguel Corte-Real	1502	Atlantic Ocean	Portuguese rescue mission to search for lost explorerGaspar Corte-Real.
Knight expedition	James Knight	1721	Marble Island (Canadian Arctic)	British expedition to discover theNorthwest Passage.
Lapérouse expedition	Jean-François de Galaup, comte de Lapérouse	1788	Victoria Strait (Oceana)	French expedition which vanished while attempting to sail around the world.
Houghton expedition	Daniel Houghton	1791	Sahara (North Africa)	British expedition to explore theGambia River and the hinterland of Africa's west coast.
Bass expedition	George Bass	1803	Pacific Ocean	British expedition to Tahiti, and possibly to the Spanish colony of Chile, before returning to the Sydney colony.
Franklin's lost expedition	John Franklin	1845	Victoria Strait (Canadian Arctic)	British expedition to traverse the last unnavigated section of theNorthwest Passage.
Leichhardt expedition	Ludwig Leichhardt	1848	McPherson's Station, Coogoon (Western Australia)	British expedition to explore northern and central Australia.
Vogel expedition	Eduard Vogel	1856	Wadai (Central Africa)	British expedition to find a trade route to Asia that bypassed the Middle East. He was initially a party member of theBarth expedition but eventually left to go exploring on his own and disappeared a year later. In a visit to Wadai in 1873, Gustav Nachtigal was told that the Sultan of Wadai had ordered Vogel's death.
Russian polar expedition of 1900-1902	Eduard Von Toll	1902	Bennett Island (Arctic Ocean, north of Siberia)	Russian expedition to search for the legendarySannikov Land.
Terra Nova expedition	Robert Falcon Scott	1913	Antarctica	British expedition to become the first to reach the geographicalSouth Pole.
Rusanov expedition	Vladimir Rusanov	1913	Kara Sea (Arctic)	Russian naval expedition to the Arctic to find theNorthern Sea Route.
Fawcett expedition	Percy Fawcett	1925	Dead Horse Camp (Brazil)	British archaeological expedition to the Amazon to locate the "Lost City of Z".
Sea Dragon expedition	Richard Halliburton	1939	nearMidway Island (Pacific Ocean)	American expedition attempting to sail aChinese junk across the Pacific Ocean from Hong Kong to San Francisco for theGolden Gate International Exposition.

Name	Leader	Year lost	Region	Comments
Expedition of the bishop of Plasencia	Fray Francisco de la Rivera[1]	1540	Strait of Magellan	Two survivors appears years later in the recently established Spanish city ofConcepción, thousands of kilometers from the alleged wreck site.
Willoughby expedition	Hugh Willoughby	1553	Barents Sea	British naval expedition financed by Sebastian Cabot to find a Northeast Passage through the Arctic, consisting of three ships under the command of Sir Willoughby andRichard Chancellor. The ships were separated in a storm in August 1553; Chancellor reached the White Sea while the other two ships mistakenly sailed North into the Barents Sea. Both crews, sixty-three men in total, were lost.
Grindell expedition	Thomas F. Grindell	1905	Sonoran Desert (Tiburón Island)	American gold prospecting expedition that went missing while exploring Tiburón Island. They were widely believed to have been killed bySeri orYaqui natives. However, the remains of Thomas Grindell were discovered by another group of explorers a year later. Of the five-man party, there were only two known survivors: Jack Hoffman andPapago guide Dolores Valenzuela.
Brusilov expedition	Georgy Brusilov	1913	Kara Sea (Arctic)	Russian naval expedition to the Arctic to find theNorthern Sea Route. There were only two known survivors:Valerian Albanov andAlexander Konrad.

• Williams, Glyn.Arctic Labyrinth: The Quest for the Northwest Passage. London, England: Penguin UK, 2009. ISBN 978-0-14-193258-3

• Wright, Ed.Lost Explorers: Adventurers Who Disappeared Off The Face Of The Earth. Millers Point, Australia: Pier 9, 2008.ISBN 1-7419-6139-4

• Balkan, Evan.Vanished!: Explorers Forever Lost. Birmingham, Alabama: Menasha Ridge Press, 2008.ISBN 0-89732-983-X

• Famous Expeditions That Fell Off the Map atHistory.com^{[dead link]}

• Geography-related lists
• Lists of expeditions

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• Articles with dead external links from April 2021