| Iaco | Iago | Iaka | Iako |
| Iana | Iani | Ianka | Iano |
| Iasy | Iatiss | Iatus | Iban |
| Ibbi | Ibis | Ibisa | Ibiza |
| Ibo | IBook | Ibou | Ibrid |
| Ibro | Ica | Icar | Icare |
| Icaro | Ice-tea | Iceberg | Icham |
| Ichel | Icko | Icks | Iclake |
| Iclan | Ico | Icone | Icy |
| Id | Ida | Idaberga | Idan |
| Idao | Idax | Idda | Idea |
| Ideal | Idefix | Idem | Iden |
| Idia | Idiane | Idile | Idis |
| Idita | Ido | Idoc | Idog |
| Idol | Idole | Idor | Idra |
| Idris | Idriss | Idur | Idzou |
| Iella | Iéna | Iff | Iffi |
| Ifu | Iggy | Igloo | Ignace |
| Ignatius | Igo | Igor | Ijka |
| Ika | Ikal | Ikami | Ikane |
| Ikar | Ikarus | Ikea | Ikeo |
| Ikhoor | Iki | Ikia | Ikki |
| Ikky | Ikone | Ila | Ilak |
| Ilamo | Ilan | Ilana | Ilane |
| Ilao | Ilary | Ilax | Ilba |
| Ilda | Iléa | Ilena | Ilex |
| Ilia | Ilias | Ilina | Ilion |
| Ilissa | Ilka | Ilkara | Ilkas’s |
| Ilkie | Ilky | Illa | Illia |
| Illico | Illoson | Illus | Illy |
| Ilma | Ilmo | Ilmoi | Ilo |
| Iloa | Iloan | Ilon | Ilona |
| Ilonka | Ilonko | Ilop | Ilor |
| Ilora | Ilos | Ilou | Iloui |
| Ilox | Ilphie | Ilse | Ilsebill |
| Ilsi | Iltie | Ilton | Iluna |
| Ilva | Ilya | Ilza | IMac |
| Image | Imail | Imala | Iman |
| Imann | Imany | Imara | Imaro |
| Imas | Imba | Imelda | Imika |
| Imiko | Imo | Imroy | Imuna |
| Ina | Inari | Inata | Inca |
| Incha | INDA | Indas | Inde |
| Indi | India | Indiaka | Indiane |
| Indic | Indie | Indien | Indigo |
| Indika | Indio | Indra | Indy |
| Inea | Ines | Ingra | Ingraban |
| Ingrid | Ingvar | Inja | Inka |
| Inkaja | Inki | Inky | Innocence |
| Ino | Inoa | Inola | Inook |
| Inouk | Inouka | Inox | Inska |
| Instar | Intel | Inter | Intrepid |
| Inuït | Inya | Inzo | Ioda |
| Iodine | Ioga | Ioka | Ioki |
| Ioko | Iola | Ioleen | Iona |
| Ionka | Iony | Ioochigeas | Iou |
| Iouka | Iouki | Ioupi | Iowa |
| IPad | IPhone | Ipod | Ipop |
| Ippy | Ipsa | Ipsi | Ipso |
| Ipsy | Ipy | Ira | Irak |
| Irana | Iranka | Iras | Irbis |
| Irca | Irene | Ires | Irex |
| Iri | Irie | Irika | Irina |
| Irine | Iris | Irish | Irix |
| Irk | Irka | Irkhan | Irko |
| Irkos | Irla | Irmina | Irna |
| Iro | Irold | Iron | Iros |
| Irouti | Iroy | Iroya | Irsi |
| Iru | Irvan | Irwin | Irwisch |
| Irys | Irza | Irzan | Isa |
| Isaac | Isabo | Isak | Isaka |
| Isako | Isar | Isatis | Isba |
| Isbo | Ischa | Isco | Isesi |
| Ishka | Ishta | Isi | Isia |
| Isidor | Isiki | Isior | Isis |
| Iska | Iskan | Isko | Island |
| Iso | Isolde | Isolt | Isotta |
| Ispa | Issa | Issi | Issy |
| Ista | Isti | Istia | Isto |
| Istwan | Isvan | Isy | Ita |
| Itar | Itasca | Itchi | Itchy |
| Item | Ithos | Iti | Ito |
| Itol | Itou | Itune | Ity |
| Itze | Itzer | Iva | Ivan |
| Ivana | Iver | Ivia | Ivina |
| Ivka | Ivoir | Ivoire | Ivoria |
| Ivox | Ivro | Ivy | Iwan |
| Iwanka | Iwen | Iwie | Iwo |
| Ix | Ixane | Ixe | Ixelle |
| Ixes | Ixesse | Ixia | Ixo |
| Ixor | Ixos | Iza | Izac |
| Izak | Izalo | Izarra | Izi |
| Izidor | Izis | Izmir | Izona |
| Izor | Izza | Izzi | Izzy |