Oblast court
Oblast courts
Oblast of the Don Cossack Host
Obnova Federation of Societies of Ukrainian Catholic Students
Obnova Society of Ukrainian Catholic Students
Obolonnia archeological site
Obolonsky
Oborona Ukrainy
Obrazotvorche mystetstvo
Obrazotvorche mystetstvo (1935–41)
Obriï
Obshchina
Obydovsky, Ivan