This list of extraterrestrial memorials compiles the human-made memorials not located on Earth.

Mars

Landing sites:
 Thomas Mutch Memorial Station – Viking 1 lander (1976)
 Gerald Soffen Memorial Station – Viking 2 lander (1976)
 Carl Sagan Memorial Station – Mars Pathfinder (Sojourner) base (1997)
 Challenger Memorial Station – MER-B (Opportunity) landing site area (2004)
 Columbia Memorial Station – MER-A (Spirit) landing site area (2004)
 Green Valley – Phoenix lander (2008)
 Phoenix DVD
 Bradbury Landing – Curiosity rover landing site (August 6, 2012) (no actual hardware at location)
Rafael Navarro Mountain – Curiosity rover (April 5, 2021)
InSight Landing – InSight lander (2018)
 Octavia E. Butler Landing – Perseverance rover landing site (2021)
 Wright Brothers Field – take-off and landing area of Ingenuity helicopter (2021)
Memorials and artifacts:
Pennants of Soviet Union on Mars 2 and Mars 3 landers (1971)
Lincoln penny – Curiosity rover
 Tribute to healthcare workers plate and Martian Meteorite – Perseverance rover
 "Send Your Name to Mars" – Perseverance rover
 Human DNA – Perseverance rover
 Mars rover family portrait – Perseverance rover
 Parachute with coded message "Dare mighty things" – Perseverance rover
 The Ingenuity helicopter carries a small piece of fabric from the wing of the first powered aircraft, the 1903 Wright Flyer built and flown by the Wright Brothers

Earth orbit
Plaque designed by Carl Sagan on LAGEOS-1
Immortality Drive, in the International Space Station
A GeoSat time capsule aboard EchoStar XVI, The Last Pictures (includes 100 black and white photographs) 
Apollo 15 postal covers on the International Space Station
3 Lego Astronauts of Expedition 42: Terry Virts, Anton Shkaplerov, and Samantha Cristoforetti
The LEO library by the Arch Mission Foundation

The Moon
Fallen Astronaut – a lunar plaque and small memorial statue for lives lost in space exploration. It was placed on the Moon during the 1971 Apollo 15 mission.
Plaques and flags at the landing sites of Apollo 11, 12, 14, 15, 16, and 17
Pennants of the Soviet Union on Luna 2 impactor
Flag of India – aboard ISRO's Moon Impact Probe, which was released by Chandrayaan-1 and impacted the lunar surface on 14 November 2008.
Moon Museum – a ceramic wafer containing artwork from Andy Warhol, Robert Rauschenberg, David Novros, Forrest Myers, Claes Oldenburg, and John Chamberlain. It was left on the leg of the lunar module on Apollo 12.
Luna 01 from Celestis
 Arch Mission Foundation's Lunar Library – possibly survived the Beresheet Moon lander's crash landing
Flag of China on Chang'e 5
Manfred Memorial Moon Mission – a lunar flyby and Earth orbit in memorial to Manfred Fuchs

Planned

Belgium2theMoon time capsule 
MoonArk – a lunar museum on the Peregrine lander, made by Carnegie Mellon University
Team Puli from Hungary plans to send a time capsule for the "Memory of Mankind (MoM) on the Moon" project. The capsule will hold ceramic tablets containing archival imagery and texts readable with a 10x magnifier. 
DHL Moonbox – a mementos box planned to go to the Moon on the Peregrine lander in 2023, made by DHL and Airbus Defence and Space
Lunar Libraries – by the Arch Mission Foundation
Lunar Dream Time Capsule – from Astroscale
Lunaprise A time capsule – on the Nova-C lunar lander
Luna 03
Lunar Codex's Peregrine Collection – books and art on memory cards on the Peregrine lunar lander in 2022
Lunar Codex's Nova Collection – art and poetry on Nanofiche on the Nova-C lunar lander in 2022
Lunar Codex's Polaris Collection – art, books, poetry, music and film on hybrid memory cards and Nanofiche on the Griffin lunar lander in 2023/24

Titan
 Hubert Curien Memorial Station – Huygens landing site on Titan

Jupiter
Three LEGO figurines – Juno spacecraft
Galileo Galilei plaque – Juno

Other
Two Voyager Golden Records – Voyager spacecraft
Arch Mission disk 1.2 – Tesla Roadster in solar orbit
Rosetta disk prototype – Rosetta space probe
New Horizons Memorabilia
The Pioneer plaques – individual plaques on Pioneer 10 and Pioneer 11

Proposed
KEO

References

External links

Spaceflight
Space lists

Extraterrestrial memorials