| Iljina, J. |
| Illipe-Sootak, Heli |
| Ilmet, Peep (pseud) |
| Ilus, Peeter |
| Ilves, Aapo |
| Ilves, Hille |
| Ilves, Kaie |
| Ilves, Kristi |
| Ilves, Tiina |
| Indrane, I |
| Ingemann, Bernhart Severin |
| Ise, M. |
| Isern, Susanna |
| Isop, I. |
| Ištšuk, Inna |
| Itkonen, Jukka |
| Itskok, A. |
| Ivand, Ilme |
| Ivask, Ivar |
