| ibis | íbis |
| Ibiza | Ibiza |
| IBM | IBM |
| IBM Broadway | Broadway |
| IBM PC | IBM PC |
| IBM POWER | Power |
| Ibn Battuta | Ibn Battuta |
| Ibn Gabirol | Salomão Ibn Gabirol |
| Ibn Jaldún | Ibn Khaldun |
| Ibn Saud | Ibn Saud |
| Ibn Tumart | Ibn Tumart |
| IBook | IBook |
| Iborra | Ivorra |
| Ibrahim Rugova | Ibrahim Rugova |
| Ibrox Stadium | Ibrox Stadium |
| Ibuprofeno | Ibuprofeno |
| Ibáñez | Ibanez |
| Ica | Ica |
| ICANN | ICANN |
| Icaria | Icaria |
| Icazteguieta | Ikaztegieta |
| ICCF | International Correspondence Chess Federation |
| Ice Age | Ice Age |
| Ice Cube | Ice Cube |
| Ice Princess | Ice Princess |
| Ice T | Ice T |
| iceberg | iceberg |
| icebergs | icebergue |
| Icecast | Icecast |
| Iced Earth | Iced Earth |
| Icelandair | Icelandair |
| IceWeasel | Iceweasel |
| Ichi | Ichi de Hidra |
| Ichigo Kurosaki | Ichigo Kurosaki |
| Ichigo Mashimaro | Ichigo Mashimaro |
| Ichikawa | Ichikawa |
| Ichilo | Ichilo |
| Ichimaru Gin | Ichimaru Gin |
| Ichinomiya | Owari-ichinomiya |
| Ichirō Mizuki | Ichiro Mizuki |
| Ichthyosauria | Icitiossauro |
| Ichthyostega | Ichthyostega |
| Ichthyothere | Ichthyothere |
| Ichthys | Ictus |
| Icogne | Icogne |
| Iconizar | Iconizar |
| icono | ícone |
| iconoclasta | iconoclástico |
| Icosaedro truncado | Icosaedro truncado |
| Icosidodecaedro | Icosidodecaedro |
| Icosidodecaedro truncado | Icosidodecaedro truncado |
| Icositetraedro deltoidal | Icositetraedro deltoidal |
| Icositetraedro pentagonal | Icositetraedro pentagonal |
| ictericia | icterícia |
| Icteridae | Icterini |
| Ictinia plumbea | Sovi |
| Ictino | Ictinos |
| ictiología | ictiologia |
| Ictus | AVC |
| Ida Rubinstein | Ida Rubinstein |
| Ida y vuelta | Trip |
| Idaho | Idaho |
| Idaira | Idaira |
| Idanha-a-Velha | Idanha-a-Velha |
| idea | idéia |
| idea delirante | delírio |
| idea extraña | idéia estranha |
| idea falsa | falácia |
| Idea fija | Prego |
| idea general | idéia geral |
| idea luminosa | luz |
| Ideafix | Idéiafix |
| ideal | modelo |
| idealismo | idealismo |
