FK
FK most often refers to a foreign key in databases or a function key on a keyboard, and it also serves as the abbreviation for the Falkland Islands.
Medical
Miscellaneous
Fatal Kick
F Knuckle
Ford Koln
Forward Kinematics
Frank Kochten
Fred Kline
Fade Kissez
Future Killer
Felix Karthago
Frank Krack
Fat Kidz
Felicity Kathleen
Falkland Islands (Malvinas)