PEITHO / Examina Antiqua is an international, peer-reviewed journal devoted to investigation of ancient Greek, Roman and Byzantine thought. Established in 2010, the journal is published by the Institute of Philosophy at Adam Mickiewcz University in Poland.

PEITHO publishes original research articles, discussions and reviews in the fields of ancient philosophy, science, literature, history and language. The languages of publication are English, French, German, Italian, Latin and Polish.