KKJ
KKJ means:
- the Japanese manga series Kamikaze Kaito Jeanne or the corresponding cartoon series Jeanne, the Kamikaze thief;
- the IATA code for Kitakyushu Airport , Japan;
- a Finnish geographic coordinate system ( kartastokoordinaattijärjestelmä ), see Gauß-Krüger coordinate system # The Finnish YKJ coordinates .