По фамилии	По имени	По псевдониму
Obukhovskyi Igor Ognevich Zlata Omargelieva Alyona Onishchenko Alexander Onofriychuk Aleksandr Onopka Snejana Osadchaya Katya Osipenko Sergey Ostanin Aleksandr Oster Grigoriy Ostrovskaya Viktoriya Osypenko-Radomska Inna Ovsienko Tatiyana	Oksana Gritsay Oksana Bayrak Oksana Marchenko Oksana Zabuzhko Oksana Fandera Oksana Stashenko Oksana Zadorozhnaya Oksana Gutcayt Oksana Mukha Oksana Bilozir Oksana Burlaka Oleg Blokhin Oleg Lisogor Oleg Antonov Oleg Dal Oleg Mykhailuta Oleg Tjagnibok Oleg Zhezhel Oleg Skripka Oleg Tverdovsky Oleg Gusev Oleg Kenzov Oleg Lyashko Oleksiy Len Oles Ylyanenko Oles Buzina Olesya Stefanko Olesya Zhurakovskaya Oleynik Vadim Olga Lomonosova Olga Kurylenko Olga Lukyanenko Olga Polyakova Olga Sumskaya Olga Kosach Olga Kobylyanskaya Olga Freimut Olga Streltsova Olga Bessmertnaya Olga Yunakova Olga Tsybulskaya Olga Romanovskaya Olga Bogomolets Olga Harlan Olga Gromova Olga Kuznetsova Olga Gorbacheva Ostap Vishna Ostap Stupka	Oksi
По фамилии	По имени	По псевдониму