K
R
- Republic of Adygeya
- Republic of Altai
- Republic of Bashkortostan
- Republic of Buryatia
- Republic of Chechnya
- Republic of Chuvashia
- Republic of Crimea
- Republic of Dagestan
- Republic of Ingushetia
- Republic of Kabardino-Balkaria
- Republic of Kalmykia
- Republic of Karachayevo-Cherkessia
- Republic of Karelia
- Republic of Khakassia
- Republic of Komi
- Republic of Mariy El
- Republic of Mordovia
- Republic of North Ossetia-Alania
- Republic of Sakha (Yakutia)
- Republic of Tatarstan
- Republic of Tuva
- Republic of Udmurtia
- Rostov Region
- Ryazan Region
S
