Persons I
| Isohanni, Arvo | Person | |
| Isokoski, Elli | Person | |
| Isokoski, Johanna | Person | |
| Isokoski, Soile | Person | |
| Isokääntä, Tanja | Person | |
| Itkonen, Jukka | Person | |
| Itkonen, Leila | Person | |
| Itkonen, Pekka | Person | |
| Itäkylä, Aila | Person | |
| Ivanov, Lev | Person | |
| Ivanovski, Vladimir | Person | |
| Ivantshenko, Jevgeni | Person | |
| Ivars, Mikko | Person | |
| Ivars, Ramón B. | Person | |
| Iwasaki, Satoru | Person | |
| i Dali, Marie | Person |