FPN

FPN may mean:


 * Faculty of Political Science in Sarajevo (Bosnian: Fakultet političkih nauka u Sarajevu)
 * Faculty of Political Sciences, University of Belgrade (Serbian: Fakultet političkih nauka Univerziteta u Beogradu)
 * Family nurse practitioner in the United States
 * Feldpost number, used for transmission of mail to German military in WWII
 * Feminist Peace Network in the United States
 * Fixed penalty notice, in the UK, a notification of what is usually a minor fine for an alleged criminal offence

Science and technology

 * Federated portal network, a software architecture
 * Ferroportin, a protein
 * Filtered-popping network in computer science
 * Fixed-pattern noise in digital imaging