| illustrious | ilustre |
| Illustrious Highness | Majestad |
| Illuvium | Iluviación |
| Illyria | Iliria |
| Illyrian | Lenguas ilirias |
| Illyrian emperors | Emperadores ilirios |
| Illyrian languages | Lenguas ilirias |
| Illyrian movement | Movimiento Ilirio |
| Illyrian provinces | Iliria |
| Illyrians | Ilirios |
| Illyricum | Iliria |
| Ilm-Kreis | Ilm-Kreis |
| Ilmarinen | Ilmarinen |
| Ilmenau | Ilmenau |
| Ilmenau River | Ilmenau |
| ILO | Organización Internacional del Trabajo |
| Ilo Province | Provincia de Ilo |
| Ilocos Region | Ilocos |
| Iloilo | Provincia de Iloilo |
| Iloilo City | Iloilo |
| Ilokano language | Idioma ilocano |
| Ilokano people | Ilocano |
| Ilokelesia | Ilokelesia |
| Ilona Staller | Ilona Staller |
| Iloprost | Iloprost |
| ILOVEYOU | ILOVEYOU |
| ILR scale | Escala ILR |
| Ilulissat | Ilulissat |
| Ilus | Ilo |
| Ilya Ehrenburg | Ilya Ehrenburg |
| Ilya Frank | Ilya Mikhailovich Frank |
| Ilya Ilyich Mechnikov | Ilya Ilyich Mechnikov |
| Ilya Prigogine | Ilya Prigogine |
| Ilya Repin | Ilya Repin |
| Ilya Smirin | Ilia Smirin |
| Ilya Ulyanov | Ilya Ulyanov |
| IM | Imperia |
| IMA | IMA |
| Imabari | Imabari |
| IMac | IMac |
| Imad Mugniyah | Imad Mugniyah |
| Imagawa clan | Clan Imagawa |
| image | imagen |
| Image amplifier | Amplificador de luz |
| image classification | clasificación de imágenes |
| Image editing | Procesamiento digital de imágenes |
| image enhancement | mejora de imagen |
| Image file formats | Formato gráfico |
| image filtering | filtración de imagen |
| Image format | Relación de aspecto |
| Image gradient | Gradiente |
| Image intensifier | Amplificador de luz |
| Image of Edessa | Mandylion |
| image processing digital system | sistema de tratamiento digital de la imagen |
| image registration | registro de imagen |
| Image scanner | Escáner de computadora |
| Image stabilization | Estabilizador de imagen |
| Image that is deceiving to the eye | Ilusión óptica |
| Image tube | Tubo de imagen |
| Imageboard | Tablón de imágenes |
| imagery | imaginería |
| imaginable | concebible |
| Imaginal disc | Disco imaginal |
| imaginary | fingido |
| Imaginary world | Universo de ficción |
| imagination | fantasía |
| Imaginations from the Other Side | Imaginations From The Other Side |
| Imaginations Through the Looking Glass | Imaginations Through The Looking Glass |
| imaginative | inventivo |
| imagine | pensar |
| imagined | fingido |
| imagining | soñador |
| Imam | Imán |
| Imamah | Imán |
| Iman | Imán |
| Iman Abdulmajid | Imán |
| Imanol Erviti | Imanol Erviti |
| Imata Kabua | Imata Kabua |
| Imathia Prefecture | Emacia |
| Imbabura Province | Imbabura |
| Imbabura Volcano | Imbabura |
| imbalance | desequilibrio |
| imbecile | imbécil |
| imbecility | fatuidad |
