| Acronym | Definition |
|---|
| KIS | Kaspersky Internet Security (software) |
| KIS | Kissimmee (Amtrak station code; Kissimmee, FL) |
| KIS | Kohan: Immortal Sovereigns (game) |
| KIS | Keep It Simple |
| KIS | Korean International School (South Korea) |
| KIS | Knowledge and Information System |
| KIS | Kyoto International School (Japan) |
| KIS | Kodaikanal International School (India) |
| KIS | Kingdee International Software (Hong Kong) |
| KIS | Kaspersky Internet Security |
| KIS | Knowbot Information Service |
| KIS | Kiepenheuer-Institut für Sonnenphysik (Germany) |
| KIS | Kingston International School (Hong Kong) |
| KIS | Korea Investors Service (South Korea) |
| KIS | Key Information Summary (National Health Service; UK) |
| KIS | Kunden Informations System |
| KIS | Keep It Secret |
| KIS | Knowledge Information Services |
| KIS | Knowledge Impact in Society (Canada) |
| KIS | Korea Information Society (South Korea) |
| KIS | Kooperatives Ingenieurstudium (German: cooperative engineering studies) |
| KIS | Kunden Info System (German: Customer Information System) |
| KIS | Kamloops Immigrant Services (Canada) |
| KIS | Key Investment Services (Keybank) |
| KIS | Kitting Instruction Sheet |
| KIS | Kilrathi Imperial Ship |
| KIS | Knights of the Inner Sphere (Battletech) |
| KIS | Kelston Intermediate School (Auckland, New Zealand) |
| KIS | Korea Investment & Securities Ltd. (South Korea) |
| KIS | Knowledge Inspiration Spirit (Thailand) |