JKI
| Acronym | Definition |
|---|---|
| JKI | Julius Kuehn Institute (Germany) |
| JKI | Jomo Kenyatta International Airport (Nairobi, Kenya; more commonly seen as JKIA) |
| JKI | Japan Karatedo Itosu-Kai (martial arts association) |
| JKI | Jimmy Kim Invitational (Jimmy Kim's Taekwondo Center; Laguna Niguel, CA) |
| JKI | Jericho Kansas, Inc. |
| JKI | Juko-Kai International (martial arts; est. 1961; Flower Mound, TX) |
| JKI | Jörg Kowollik Immobilien (German: Jörg Kowollik Homes; real estate) |