| Acronym | Definition |
|---|
| KI | Kiribati (ISO country code, top level domain) |
| KI | Potassium Iodide |
| KI | Kyrie Irving (basketball player) |
| KI | Karolinska Institutet |
| KI | Kangaroo Island (South Australia) |
| KI | Künstliche Intelligenz (German: Artificial Intelligence) |
| KI | Killer Instinct |
| KI | Key Informant (data collection) |
| KI | Kibi (kilobinary, 2^10) |
| KI | King's Island (amusement park, Cincinnati, Ohio) |
| KI | Koito Industries (Japan) |
| KI | Keithley Instruments, Inc. (Solon, OH) |
| KI | Kiwanis International |
| KI | Kunstmatige Intelligentie |
| KI | Known Issue |
| KI | King Island (Tasmania, Australia) |
| KI | Knowledge Information |
| KI | Kinsey Institute |
| KI | Kodiak Island (Alaska) |
| KI | Key Indicator (encryption seed used in GSM/PCN and derivative systems call setup) |
| KI | receptor affinity (pchemistry) |
| KI | King's Indian (chess) |
| KI | Kunstmatige Inseminatie |
| KI | Kurchatov Institute (Russia) |
| KI | Keane, Inc. |
| KI | Kennedy Information |
| KI | Klaksvíkar Ítróttarfelag (Klaksvík, Faroe Islands soccer club) |
| KI | Kaizen Institute (Mauritius) |
| KI | Københavns Idrætsanlæg |
| KI | Kingdom Interlinear (Jehovah's Witnesses) |
| KI | Knee Immobilizer |
| KI | Kinetic Interceptor |
| KI | Kinderberg International |
| KI | Kinetic Inhibitor (chemistry) |
| KI | Konami Industry Co., Ltd. |
| KI | Kasse Initiatives |
| KI | Klean Industries Inc (Vancouver, BC, Canada) |