| Name | Date | Month | Icon | Bios | 
|---|
| IAKHOS (Iakhos) | 17 | December |  |  | 
| IAMOS (Iamos) | 0 | not known |  |  | 
| IAMVLIHOS (Iamvlihos) | 0 | not known |  |  | 
| IANOS (Janos, Janus, Ianos, Gennadi, Gennaro, Janan, Janiusz, Januarius, Janusz, Jenaro, Jenarius, Jennaro) | 21 | April |  |  | 
| IAPETOS (Iapetos) | 0 | not known |  |  | 
| IASIMOS (Iasimos) | 4 | February |  |  | 
| IASION (Iasion) | 0 | not known |  |  | 
| IASO (Iaso) | 0 | not known |  |  | 
| ICONIA (Iconia, Eikonia) | 0 | not known |  |  | 
| IDAIA (Idaia) | 0 | not known |  |  | 
| IDAIOS (Idaios) | 0 | not known |  |  | 
| IDILI (Idelle, Hedili, Idella) | 0 | not known |  |  | 
| IDOMENEFS (Idomenefs, Idomeneas) | 0 | not known |  |  | 
| IERAX (Ierax) | 1 | June |  |  | 
| IERIA (Ieria) | 3 | June |  |  | 
| IEROKLIS (Ieroklis) | 0 | not known |  |  | 
| IERONYMOS (Ieronymos, Jeronymo) | 15 | June |  |  | 
| IEROTHEOS (Ierotheos) | 4 | October |  |  | 
| IETION (Ietion) | 0 | not known |  |  | 
| IFAISTOS (Ifaistos) | 0 | not known |  |  | 
| IFESTION (Ifestion) | 10 | April |  |  | 
| IFIGENIA (Ifigenia, Efigenia, Ephigenia) | 16 | November |  |  | 
| IFIKRATEIA (Ifikrateia) | 0 | not known |  |  | 
| IFIKRATIS (Ifikratis) | 0 | not known |  |  | 
| IFITOS (Ifitos) | 0 | not known |  |  | 
| IGELOHOS (Igelohos) | 0 | not known |  |  | 
| IGIAS (Igias) | 0 | not known |  |  | 
| IGIMON (Igimon) | 0 | not known |  |  | 
| IGISANDROS (Igisandros) | 0 | not known |  |  | 
| IGISIANAX (Igisianax) | 0 | not known |  |  | 
| IGISIAS (Igisias) | 0 | not known |  |  | 
| IGISIPPOS (Igisippos) | 0 | not known |  |  | 
| IGITOR (Igitor) | 0 | not known |  |  | 
| IGNATIOS (1) (Ignatios) | 14 | October |  |  | 
| IGNATIOS (2) (Ignatios) | 20 | December |  |  | 
| IHO (Iho, Echo) | 0 | not known |  |  | 
| IKARIOS (Ikarios) | 0 | not known |  |  | 
| IKELIDAS (Ikelidas) | 0 | not known |  |  | 
| IKETAS (Iketas) | 0 | not known |  |  | 
| IKTINOS (Iktinos) | 0 | not known |  |  | 
|  | 
| ILARION (Ilarion, Ilarionas, Ilaria, Ilariada, Lariada) | 6 | June |  |  | 
| ILEKTRA (Ilektra, Electra) | 0 | not known |  |  | 
| ILEKTRION (Ilektrion, Electrion) | 0 | not known |  |  | 
| ILIANA (Iliana, Ilias) | 9 | March |  |  | 
| ILIAS (Ilias, Iliada) | 0 | not known |  |  | 
| ILIODOROS (Iliodoros, Iliodora, Heliodora, Eldora, Eleadora, Eleodora, Elda) | 20 | August |  |  | 
| ILIOFOTOS (Heliofotos) | 13 | July |  |  | 
| ILIONI (Ilioni, Helioni) | 0 | not known |  |  | 
| ILIOS (Ilios, Helios) | 0 | not known |  |  | 
| ILLOS (Illos, Helos) | 0 | not known |  |  | 
| ILLYRIOS (Illyrios) | 3 | April |  |  | 
| IMVRIOS (Imvrios) | 0 | not known |  |  | 
| INAHOS (Inahos) | 0 | not known |  |  | 
| INIOHOS (Iniohos) | 0 | not known |  |  | 
| INO (Ino) | 0 | not known |  |  | 
| IO (Io) | 0 | not known |  |  | 
| IO (Io) | 0 | not known |  |  | 
| IOANIKIOS (Ioannikios) | 4 | November |  |  | 
| IOANNIS ROSSOS (Ioannis Rossos) | 27 | May |  |  | 
| IOKASTI (Iokasti) | 0 | not known |  |  | 
| IOLI (Ioli) | 0 | not known |  |  | 
| IOLKIOS (Iolkios) | 0 | not known |  |  | 
| IOLLAS (Iollas) | 0 | not known |  |  | 
| IONI (Ioni) | 0 | not known |  |  | 
| IOUBENALIOS (Ioubenalios, Jouvenalious) | 13 | December |  |  | 
| IOULIANOS (Ioulianos, Joulian) | 16 | March |  |  | 
| IOUSTA (Iousta, Jousta) | 2 | October |  |  | 
| IOV (*) (2) (Iov, Job, Iovia, Iobia, Jobia, Jovia, Iovi, Iobi) | 14 | December |  |  | 
| IOV (1) (Iov, Job, Iovia, Iobia, Jobia, Jovia, Iovi, Iobi) | 6 | May |  |  | 
| IOVATIS (Iovatis) | 0 | not known |  |  | 
| IPAPANTI (Ypapante, Ypapanti) | 2 | February |  |  | 
| IPIONI (Ipioni) | 0 | not known |  |  | 
| IPOMONI (Ypomoni) | 29 | May |  |  | 
| IPPARHOS (Ipparhos) | 0 | not known |  |  | 
| IPPI (Ippi) | 0 | not known |  |  | 
| IPPIAS (Ippias) | 0 | not known |  |  | 
| IPPODAMEIA (Ippodameia) | 0 | not known |  |  | 
| IPPOKRATIS (Ippokratis) | 0 | not known |  |  | 
| IPPOLYTOS (Ippolytos) | 10 | August |  |  | 
| IPPON (Ippon) | 0 | not known |  |  | 
|  | 
| IPPOSTHENIS (Ipposthenis) | 0 | not known |  |  | 
| IRA (Ira, Hera) | 0 | not known |  |  | 
| IRAKLEIDIS (Irakleidis, Heraklidis) | 0 | not known |  |  | 
| IRAKLEITOS (Irakleitos, Heraklitos) | 0 | not known |  |  | 
| IREAS (Ireas) | 0 | not known |  |  | 
| IRIGONI (Irigoni) | 0 | not known |  |  | 
| IRILLOS (Irillos) | 0 | not known |  |  | 
| IRINARHOS (Eirenarhos, Irenarhos, Irinarhos) | 28 | November |  |  | 
| IRINI (*) (3) (Eirene, Eirini, Irene, Irini, Rene, Rena, Renia, Rhenia) | 22 | April |  |  | 
| IRINI (1) (Eirene, Eirini, Irene, Irini, Rene, Rena, Renia, Rhenia) | 5 | May |  |  | 
| IRINI (2) (Eirene, Eirini, Irene, Irini) | 28 | July |  |  | 
| IRINNA (Irinna) | 0 | not known |  |  | 
| IRIS (Iris, Irida, Irais, Iraida, Rhais) | 23 | September |  |  | 
| IRO (Iro, Hero) | 10 | August |  |  | 
| IRODION (Rodion, Herodion, Herodias, Herodiada) | 10 | November |  |  | 
| IRODOROS (Irodoros) | 0 | not known |  |  | 
| IRODOTOS (Irodotos) | 0 | not known |  |  | 
| IROFILI (Irofili) | 0 | not known |  |  | 
| IROFILOS (Irofilos) | 0 | not known |  |  | 
| IRON (Iron, Heron) | 10 | August |  |  | 
| ISAAC (*) (Isaac) | 14 | December |  |  | 
| ISAIOS (Isaios) | 0 | not known |  |  | 
| ISANDROS (Isandros) | 0 | not known |  |  | 
| ISAVELLA (Isavella) | 0 | not known |  |  | 
| ISIDORA (Isidora, Dora) | 1 | May |  |  | 
| ISIDOROS (1) (Isidoros) | 4 | February |  |  | 
| ISIDOROS (2) (Isidoros) | 14 | May |  |  | 
| ISIODOS (Isiodos) | 0 | not known |  |  | 
| ISIONI (Isioni) | 0 | not known |  |  | 
| ISMAIL (Ismail) | 17 | June |  |  | 
| ISMENE (Jasmin, Yasmin, Jasmeen, Yasmeen, Ismini) | 1 | September |  |  | 
| ISOCRATES (Isocratis) | 10 | April |  |  | 
| ISTHMIONIKIS (Isthmionikis) | 0 | not known |  |  | 
| ISTROS (Istros) | 0 | not known |  |  | 
| ISYHIOS (Isyhios) | 6 | March |  |  | 
| ITHAKOS (Ithakos) | 0 | not known |  |  | 
| ITHYKLIS (Ithyklis) | 0 | not known |  |  | 
| ITI (Iti) | 0 | not known |  |  | 
| ITYS (Itys) | 0 | not known |  |  | 
| IVI (Ivi) | 0 | not known |  |  | 
|  | 
| IVYKOS (Ivykos) | 0 | not known |  |  | 
| IXION (Ixion) | 0 | not known |  |  | 
| IXIONI (Ixioni) | 0 | not known |  |  |