| Gaban | Gabar | Gabbel | Gabor | Gabriel |
| Gacholle | Gaddy | Gaelic | Gag | Gagy |
| Gageul | Gagus | Gaius | Gaijo | Gaijon |
| Gajus | Galan | Galdino | Galileo | Galin |
| Gallan | Gallant | Gallilei | Galileo | Gallo |
| Galloway | Gallus | Gambit | Gambler | Gambolo |
| Gamcho | Gameboy | Gamma | Gandalf | |
| Gano | Garin | |||
| Gandhi | Gandi | Ganit | Gany | Ganymed |
| Garant | Garanto | Garbo | Garbun | Garcon |
| Gard | Gardeur | Gardo | Gardon | Gardy |
| Garell | Garello | Garellos | Garfield | Gargameel |
| Gargoyle | Garetto | Gari | Garibaldi | Garlic |
| Garou | Garp | Garret | Garro | Garry |
| Garwin | Gary | Garymore | Gasco | Gascore |
| Gascoigne | Gaston | Gator | Gatorade | Gatsby |
| Gatze | Gatzo | Gauch | Gauche | Gaucho |
| Gauchov | Gaudi | Gaudie | Gaudino | Gauner |
| Gavin | Gazpacho | Geck | Gecko | |
| Geezer | Gelati | Gelato | Gelo | Gemini |
| General | Gerome | Genghis | Genie | Genius |
| Genkai | Genko | Genkos | Genle | Genles |
| Genni | Geno | Geo | Geoffrey | Geordy |
| Georg | George | Geppetto | Geppo | Gerald |
| Geraldo | Geri | Gerlis | Gerlo | Gerlos |
| German | Germaine | Gero | Gerold | Gerolf |
| Geron | Geronimo | Geronimus | Gerono | Geros |
| Gerrie | Gerrit | Gerro | Gerry | Gershwin |
| Ghino | Ghiradelli | Ghostbuster | Giacomo | Gian |
| Giancarlo | Giano | Gibo | Gideon | Gidget |
| Gido | Giggles | Gigolo | Gil | Gildo |
| Gilian | Giliano | Gilko | Gilkos | Gill |
| Gilles | Gillian | Gillano | Gilligan | Gillou |
| Gillous | Gilmor | Gimp | Gimpo | Gimmick |
| Gingo | Gingolo | Gino | Ginolo | Ginseng |
| Ginster | Gipsy | Giovanni | Giro | Gisbert |
| Gismar | Gismo | Giso | Gitano | Giuiliano |
| Ginger | ||||
| Giulio | Gizmo | Gladstone | Glenn | Glennan |
| Gloriam | Gnom | Gobble | Gobi | Goblin |
| Gobo | Godo | Godoron | Godzilla | |
| Goethe | Going | Goliath | Golf | Goliath |
| Gollus | Golo | Gomer | Gomez | Gonzales |
| Gonzo | Goober | Goro | Goodwin | Good |
| Goody | Goofy | Gopher | Gorden | Goran |
| Gorbi | Gorby | Gordan | Gordeno | Gordie |
| Gordo | Gordon | Gorgeous | Gorilla | Gorki |
| Gorky | Gota | Goto | Götz | Goy |
| Goya | Graciano | Graf | Granbull | Grand |
| Grandeur | Grant | |||
| Grapevine | Grappa | Grave | Great | Greco |
| Green | Greg | Gregor | Gregory | Greif |
| Gremio | Gremlin | Grey | Greystoke | Grex |
| Graham | Grispin | |||
| Grille | Grimm | Grimo | Gringo | Grischa |
| Grischan | Grisu | Grizel | Grizzly | Grobi |
| Gromit | Groucho | Grouer | Grover | Grudo |
| Grumpy | Grunt | Guacamole | Guaymas | Gucci |
| Guffaw | Guido | Guildo | Guiness | Gulliver |
| Gumball | Gumbo | Gumby | ||
| Gump | Gumps | Gun | Guna | Gundo |
| Gunnar | Gunner | Gunolf | Gunter | Gunther |
| Gunzilo | Gurian | Guru | Gurvan | Gus |
| Guscha | Gustaaf | Gustav | Gusti | Gustl |
| Gusto | Gutscho | Guy | Gyro | Gizzmo |