| Acronym | Definition |
|---|
| KMS | Key Management Service (Microsoft Activation Key Type) |
| KMS | Kilometers |
| KMS | Knowledge Management System |
| KMS | Killing Me Softly |
| KMS | Key Management System |
| KMS | Kochen Macht Spass (German: It's Fun to Cook) |
| KMS | Kia Motors Slovakia |
| KMS | Kerkhoven-Murdock-Sunburg (schools; Minnesota) |
| KMS | Kill My Self |
| KMS | Key Management Specification |
| KMS | Key Management Service |
| KMS | Key Management Server |
| KMS | Kansas Medical Society |
| KMS | Kill Me Slowly |
| KMS | Kiewit Middle School (Omaha, NE) |
| KMS | Koninklijke Militaire School |
| KMS | Kathleen Middle School (Florida) |
| KMS | Kopachuck Middle School (Gig Harbor, WA) |
| KMS | Kabuki Make-Up Syndrome (aka Kabuki Syndrome) |
| KMS | Kasabach-Merritt Syndrome |
| KMS | Keller Middle School |
| KMS | Korean Maplestory (gaming) |
| KMS | Kyrene Middle School (Tempe, AZ) |
| KMS | Kent Music School (UK) |
| KMS | Keeni Meeni Services (private security firm) |
| KMS | Kempsville Middle School |
| KMS | Kirby Middle School (San Antonio, Texas) |
| KMS | Knowledge Media Science |
| KMS | Kraemer Middle School (Placentia, CA) |
| KMS | Kammerer Middle School (Louisville, Ky) |
| KMS | Kernersville Middle School (North Carolina) |
| KMS | Kallman Syndrome |
| KMS | Kriegsmarine Schiff (Navy ship, German) |
| KMS | Kansas Motor Speedway (NASCAR track) |
| KMS | Kamloops Multicultural Society (Canada) |