Persons I
| Ingalls, James F. | Person | |
| Ingelin, Riitta | Person | |
| Inger, Johan | Person | |
| Ingman, Ester | Person | |
| Injushina, Anastasia | Person | |
| Inkinen, Aino | Person | |
| Inkinen, Pietari | Person | |
| Inomaa, Saku | Person | |
| Ionata, Maria Pia | Person | |
| Ionesco, Petrika | Person | |
| Ionin, Georgy | Person | |
| Iossifov, Nikolay | Person | |
| Ippolitov-Ivanov, Mihail | Person | |
| Isaksson, Ragnhild | Person | |
| Isberg, Pär | Person | |
| Isene, Marit | Person | |
| Ishijima, Akemi | Person | |
| Ishimoto, Fujiwo | Person | |
| Iso-Ahola, Heikki | Person | |
| Iso-Oja, Terttu | Person |