G-H
| Gaesus | ˈdʒiːsəs | ||
| Galaesus | ɡəˈliːsəs | ||
| Galaxias | ɡəˈlæksiæs | N to S: from Anian to the junction of Cerberus and Eunostos S of Elysium | |
| Ganges | ˈɡændʒiːz | N to S: connects Lunae Lacus to Aurorae Sinus | From the Ganges, a river of India |
| Ganymede | ˈɡænɨmiːd | From Ganymede, the cupbearer of Zeus | |
| Garrhuenus | |||
| Gehon | ˈdʒiːɒn | N to S: connects Mare Acidalium to the W end of Sinus Sabaeus | From Gihon, one of the four rivers of Eden Also spelled Gihon |
| Gigas | ˈdʒaɪɡæs | NE to SW: connects Ascraeus Lacus to Titanum Sinus via Lucus Maricae | From the mythical monsters called Gigantes |
| Glaucus | ˈɡlɔːkəs | ||
| Gorgon | ˈɡɒrɡɒn | Connects Mare Sirenum and the Eumenides canal near Nodus Gordii | From the mythical monster Gorgon |
| Gyes | ˈdʒaɪiːz | ||
| Gyndes | ˈdʒɪndiːz | From a river flowing into the Tigris | |
| Hades | ˈheɪdiːz | N to S: connects Trivium Charontis and Propontis | From the Greek name for the Underworld and its ruling deity, Hades |
| Halys | heɪlɨs | ||
| Harpasus | |||
| Hebe | ˈhiːbiː | ||
| Hebrus | ˈhiːbrəs | ||
| Heliconius | ˌhɛlɨˈkoʊniəs | E to W: connects Sithonius Lacus to Copaïs Palus | |
| Helisson | hiːˈlɪsɒn | ||
| Hephaestus | hiːˈfɛstəs | From the god Hephaestus | |
| Heratemis | |||
| Hiddekel | ˈhɪdɨkɛl | NE to SW: connects Ismenius Lacus to Fastigium Aryn at the western end of Sinus Sabaeus | From the Hebrew name for the Tigris, a river of Mesopotamia and one of the four rivers of Eden |
| Hipparis | |||
| Hippus | ˈhɪpəs | ||
| Hyblaeus | hɨˈbliːəs | NE to SW: connects Anian canal to Hephaestus canal | |
| Hyctanis | |||
| Hydaspes | haɪˈdæspiːz | From the Greek name for the Jhelum river of India | |
| Hydraotes | ˌhɪdreɪˈoʊtiːz | SE to NW; connects Margaritifer Sinus to Lunae Lacus | After the Greek name for the Ravi river of India |
| Hydriacus | |||
| Hylias | |||
| Hyllus | ˈhɪləs | ||
| Hyphasis | |||
| Hypsas | ˈhɪpsəs | ||
| Hyscus | ˈhɪskəs |
Read more about this topic: List Of Martian Canals