Aretas de Kiev was a twelfth-century monk belonging to the Kyiv Pechersk Lavra. Originally from Polatsak, he lived a life characterized by significant wealth and a notable reluctance to provide charity to the poor. Following a period of intense personal suffering and spiritual crisis triggered by a robbery, he underwent a profound transformation. This change led him to embrace a life of seclusion and asceticism before his death in Kyiv during the latter half of the 1100s.