FKU may refer to:
FKU Corrective Colony No. 2 of the FSIN of Russia for Vladimir Oblast), general regime corrective colony located on the outskirts of the town of Pokrov in Vladimir Oblast, Russia. FKU IK-3, Kharp of the Federal Penitentiary Service of Russia for the Yamalo-Nenets Autonomous Okrug, also known as Polar Wolf Forældrekompetenceundersøgelse (acronym FKU), Danish psychometric assessment of parental competence
See also Fu (disambiguation) Fuck You (disambiguation)