The Panhellenic Federation of Journalists' Unions (Poesy; Greek, Modern (1453-);: Πανελλήνια Ομοσπονδία Ενώσεων Συντακτών|translit=Panellínia Omospondía Enóseon Syntaktón, Π.Ο.Ε.ΣΥ.) is a Greek trade union federation of journalists' unions.
It was founded on 12 October 1994 in Athens by 25 representatives from the following five journalist unions:
It is a member of the European Federation of Journalists and the International Federation of Journalists.