Central Asian Survery
Communist and Post-Communist Studies
East European Constitutional Review
East European Politics & Societies
Europe-Asia Studies
Jamestown Foundation
Journal of Power Institutions in Post-Soviet Societies (web edition)
Journal of Southern Europe and the Balkans
Journal of Baltic Studies

Nationalities Paper
Post-Communist Economies
Post-Soviet Affairs

Post-Soviet Geography and Economics
Pro et Contra
Problems of Post-Communism
Religion, State and Society
Russian Economic Trends
Russian Review
Slavic Review
Transition Newslatter (World Bank)

In addition, please, see journals that are not on line

Belarus Review
Central Asian Monitor
Current Digest of the Post-Soviet Press
Eurasian Studies
Soviet and Post-Soviet Review
Ukrainian Quarterly