JKJ

AcronymDefinition
JKJJerome K. Jerome (1859-1927; author)
JKJJohnson, Kendall & Johnson, Inc. (insurance)
JKJJack Killed Jill (band)
JKJJaddu Ki Jappi (Hindi: Magical Hug)
JKJJAERI (Japan Atomic Energy Research Institute)-KEK (Ko Enerugi Kasokuki Kenkyu Kiko) Joint Project (physics; Tsukuba, Japan)