Γαῖα, Gaia, Gaea: Of the earth. From γῆ (ge), earth.

Γαλάτεια, Galateia, Galatea: White, milky. From γάλα (gala), milk.

Γαλήνη, Galene, Galina, Galen: Calm, serene. From γαλήνη (galene) calmness, stillness (particularly of the sea).

Γαληνός, Galenos, Galen: Calm, serene. From γαλήνη (galene) calmness, stillness (particularly of the sea).

Γανυμήδης, Ganymedes: Meant to please.  From γάνυμαι (ganymai), to feel bliss, and μῆδος (medos), to draw plans. Name of Zeus's boy toy.

Γαρυφαλλιά, Garyphalia: Beautiful as a carnation. From Latin garofulum < καρυόφυλλον (karyophyllon), carnation.

Γάστρων, Gastron: Portly. From γάστρις (gastris), pot-bellied

Γελάσιος, Gelasios, Gelasius: Mirthful, from γελάσκω (gelasko), to laugh, to smile.

Γέλως, Gelos:  Mirthful, from γελάσκω (gelasko), to laugh, to smile.

Γενέθλιος, Genethlios, Genethlius: Of the same origin. From  γενέθλης (genethles), of like race or blood.

Γενετυλλίς, Genetyllis:  Of one's hour of birth. From γενετή (genete), hour of birth. Name of the goddess of one's birth hour.

Γεράσιμος, Gerasimos: Honoring, honored. From γέρας (geras), honor, award.

Γερόντιος, Gerontios, Gerontius: Dignified. From γέρων (geron), dignified elder.

Γέρων, Geron: Dignified. From γέρων (geron), dignified elder.

Γεωργία, Georgia: A well-cultured person. From γεώργιν (georgion), cultivatable < γῆ (ge), earth and ἒργον (ergon), work, action.

Γεώργιος, Georgios, George: A well-culture person. From γεώργιν (georgion), cultivatable < γῆ (ge), earth and ἒργον (ergon), work, action.

Γλαυκίας, Glaukias, Glaucias: Gleaming. From γλαῦκος (glaukos), gleaming, bluish.

Γλαύκιππος, Glaukippos, Glaucippus: A gleaming horseman. From γλαῦκος (glaukos), gleaming, and ἵππος (hippos), horse.

Γλαῦκον, Glaukon, Glaucon: Gleaming. From γλαῦκος (glaukos), gleaming, bluish.

Γλαῦκος, Glaukos, Glaucus: Gleaming. From γλαῦκος (glaukos), gleaming, bluish.

Γλαύκων, Glaukon, Glaucon: Gleaming. From γλαῦκος (glaukos), gleaming, bluish.

Γλυκανθίς, Glykanthis, Glycanthis:  Sweet blossom. From γλυκύς (glykys), sweet, and ἄνθος (anthos), flower, blossom.

Γλυκέρα, Glykera, Glycera: Sweet. From γλυκερός (glykeros), sweetish < γλυκύς (glykys), sweet.

Γλυκερία, Glykeria, Glyceria: Sweet. From γλυκερός (glykeros), sweetish < γλυκύς (glykys), sweet.

Γρηγόριος, Gregorios, Gregorius, Gregory: Vigilant, heedful. From γρήγορος (gregoros), vigilant, sleepless.

Γλύκων, Glykon, Glycon: Sweet. From γλυκύς (glykys), sweet.

Γνάθιος, Gnathios, Gnathius: Big-jawed. From γνάθος (Gnathos), jaw.

Γνίφων, Gniphon: Frugal. From γνίφων, (gniphon), niggard.

Γοργίας, Gorgias: Fierce and swift. From γοργός (gorgos),  fierce, terrible, swift.

Γόργιππος, Gorgippos, Gorgippus: A fierce horseman. From γοργός (gorgos), fierce, terrible, swift, and ἵππος (hippos), horse.

Γοργίων, Gorgion: Fierce and swift. From γοργός (gorgos), fierce, terrible, swift.

Γοργώ, Gorgo: Fierce and swift. From γοργός (gorgos), fierce, terrible, swift.

Γραφίς, Graphis: A scribe, or she who knits. From γραφίς (graphis), writing or knitting instrument.

Γρηγόρης, Gregores, Gregory: Vigilant, heedful. From γρήγορος (gregoros), vigilant, sleepless.

Γρύλλος, Gryllos, Gryllus: Pig-like. From γρύλλος (gryllos), piglet.

Γρύλων, Grylon: Pig-like. From γρύλως (grylon), piglet.

Γύλης, Gyles: He who provides goods and supplies. From γύλιος (gylios), a military pouch used to carry food supplies.

Γύλων, Gylon: He who provides goods and supplies. From γύλιος (gylios), a military pouch used to carry food supplies.