- Alarsky District
- Angarsky District
- Balagansky District
- Bayandayevsky District
- Bodaybinsky District
- Bokhansky District
- Bratsk
- Bratsky District
- Cheremkhovo
- Cheremkhovsky District
- Chunsky District
- Ekhirit-Bulagatsky District
- Irkutsk
- Irkutsky District
- Kachugsky District
- Katangsky District
- Kazachinsko-Lensky District
- Kirensky District
- Kuytunsky District
- Mamsko-Chuysky District
- Nizhneilimsky District
- Nizhneudinsky District
- Nukutsky District
- Olkhonsky District
- Osinsky District
- Sayansk
- Shelekhovsky District
- Slyudyansky District
- Svirsk
- Tayshetsky District
- Tulun
- Tulunsky District
- Usolsky District
- Usolye-Sibirskoye
- Ust-Ilimsk
- Ust-Ilimsky District
- Ust-Kutsky District
- Ust-Udinsky District
- Zalarinsky District
- Zhigalovsky District
- Zima
- Ziminsky District