Largest impact craters by diameter

As of 2026-10-17, Utopia Planitia tops the list with 3,560 km.

1. #1 Utopia Planitia — 3,560 km

   impact basin on Mars

   source Wikidata
2. #2 Borealis Planitia — 3,450 km

   crater on Mercury

   source Wikidata
3. #3 South Pole–Aitken basin — 2,500 km

   very large impact crater on the southern far side of the Moon

   source Wikidata
4. #4 Skinakas — 2,300 km

   structure on Mercury

   source Wikidata
5. #5 Isidis Planitia — 1,225 km

   impact crater and plain on Mars

   source Wikidata
6. #6 Argyre Planitia — 893 km

   crater on Mars

   source Wikidata
7. #7 Abisme — 768 km

   crater on Iapetus

   source Wikidata
8. #8 Rembrandt — 716 km

   crater on Mercury

   source Wikidata
9. #9 Beethoven — 630 km

   crater on Mercury

   source Wikidata
10. #10 Turgis — 580 km

    largest crater on Saturn's moon Iapetus

    source Wikidata