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| Name | Latitude | Longitude | Diameter | Added | Origin |
| Boosaule Montes | 4.4S | 270.1W | 590.0 | 1985 | Cave where Io bore Epaphus |
| Caucasus Mons | 33.0S | 239.0W | 150.0 | 1997 | Io passed by these mountains while trying to escape from the gadfly |
| Crimea Mons | 76.1S | 244.8W | 0.0 | 1985 | Where Io passed by in her wanderings |
| Dorian Montes | 24.0S | 198.0W | 450.0 | 1997 | Region in ancient Greece |
| Egypt Mons | 41.0S | 257.0W | 300.0 | 1997 | Io ended her wanderings here |
| Euboea Montes | 46.3S | 339.9W | 0.0 | 1985 | Where Io passed by in her wanderings |
| Euxine Mons | 27.0N | 126.0W | 200.0 | 1997 | Io passed by here in her wanderings |
| Haemus Montes | 68.9S | 46.6W | 0.0 | 1979 | Where Io passed by in her wanderings |
| Hi'iaka Montes | 5.0S | 80.0W | 390.0 | 2000 | Sister of Hawaiian volcano goddess Pele |
| Ionian Mons | 9.0N | 236.0W | 150.0 | 1997 | Io crossed this sea in her wanderings |
| Mongibello Mons | 22.3N | 66.6W | 180.0 | 2000 | Name for Mt. Etna, site of Vulcan's forge in "The Inferno." Thunderbolts from here killed Capaneus, the great blasphemer. |
| Nile Montes | 52.0N | 253.0W | 450.0 | 1997 | Where Zeus restored Io to her human form |
| Ot Mons | 4.3N | 216.0W | 165.0 | 2000 | Mongolian fire and marriage goddess |
| Rata Mons | 35.0S | 201.0W | 200.0 | 1997 | Maori sun hero |
| Seth Mons | 10.6S | 134.0W | 140.0 | 2000 | Egyptian thunder god |
| Shamshu Mons | 12.0S | 71.0W | 170.0 | 2000 | Arabian sun goddess |
| Silpium Mons | 52.6S | 272.9W | 0.0 | 1979 | Greek; where Io dies of grief in some legends |
| Skythia Mons | 26.0N | 98.0W | 200.0 | 1997 | Io passed by here in her wanderings. |
| Tohil Mons | 29.0S | 157.0W | 300.0 | 1997 | Central American god who gave fire to man |
| Zal Montes | 37.5N | 76.3W | 422.0 | 2000 | Iranian sun god |
