| Gudram | From the Old English 'gud' meaning good or battle |
| Gudule | Possibly derived from 'gud' meaning good or battle |
| Guedgen | Possibly derived from 'gud' meaning good or battle |
| Guedguen | Possibly derived from 'gud' meaning good or battle |
| Gueiluirth | Possibly derived from 'gud' meaning good or battle |
| Gueithgno | Possibly derived from 'gud' meaning good or battle |
| Guencat | Possibly derived from 'gud' meaning good or battle |
| Guerngen | Possibly derived from 'gud' meaning good or battle |
| Guidgen | Possibly derived from 'gud' meaning good or battle |
| Guidlovius | Possibly derived from 'gud' meaning good or battle |
| Guinan | Possibly derived from 'gud' meaning good or battle |
| Guinebas | Possibly derived from 'gud' meaning good or battle |
| Guinemains | Possibly derived from 'gud' meaning good or battle |
| Guingual | Possibly derived from 'gud' meaning good or battle |
| Guingualum | Possibly derived from 'gud' meaning good or battle |
| Guithrit | Possibly derived from 'gud' meaning good or battle |
| Gulfrido | Possibly derived from 'gud' meaning good or battle |
| Gulfrit | Strong protector of the gulf or sea |
| Gullonar | Ruler of the gulls or seagulls |
| Gumweald | Guardian of the forest or woods |
| Guncar | Brave warrior or strong fighter |
| Gundulf | Battle wolf or fierce warrior |
| Guodloiu | God's gift or divine blessing |
| Guonocatui | God's gift of cats or feline blessing |
| Guppa | Small protector or guardian |
| Gurcano | Strong and powerful ruler |
| Gurcant | Battle sword or fierce warrior |
| Gurcanti | Strong and powerful ruler |
| Gurceneu | New protector or guardian |
| Gurceniu | Protector of the people |
| Gurcenou | New protector or guardian |
| Gurcimanu | Strong and powerful ruler |
| Gurcinnif | Fierce and powerful warrior |
| Gurdilic | Strong and fierce warrior |
| Gurdocui | God's gift of dogs or canine blessing |
| Gurguistil | Strong and powerful ruler |
| Gurhaval | Protector of the people or guardian |
| Guriat | Derived from Arabic, meaning 'strong' or 'powerful' |
| Guronui | Possibly derived from Japanese, meaning 'crown' or 'royalty' |
| Guthfrith | Old English name, meaning 'battle peace' or 'peaceful warrior' |