The Panhellenic Federation of Journalists' Unions (Poesy; , 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:
Journalists' Union of the Athens Daily Newspapers
Journalists' Union of Macedonia and Thrace Daily Newspapers
Journalists' Union of the Peloponnese, Epirus and the Islands
Journalists' Union of the Daily Newspapers of Thessaly, Central Greece and Euboea Periodical and Electronic Press Union
It is a member of the European Federation of Journalists and the International Federation of Journalists.