| Acronym | Definition | 
|---|
| KM | Kilometer | 
| KM | Comoros (ISO country code, top level domain) | 
| KM | Knowledge Management | 
| KM | Karl Marx (philospher) | 
| KM | Konica Minolta (camera) | 
| KM | Kaltmiete (German: rent without utilities) | 
| KM | Air Malta (IATA airline code) | 
| KM | Kiss Me | 
| KM | K-Mart | 
| KM | Krav Maga (Israeli martial art) | 
| KM | Kyocera Mita (various locations) | 
| KM | Kriegsmarine (WWII German Navy) | 
| KM | Key Management | 
| KM | Knights of Malta (religious order) | 
| KM | Koninklijke Marine (Royal Navy) | 
| KM | Killing Machine (short movie) | 
| KM | Michaelis-Menten Constant (molececular cellular biology) | 
| KM | Kitchen Manager (restaurants) | 
| KM | Karl Malone (NBA Player) | 
| KM | Knight of Malta | 
| KM | Karabin Maszynowy (Polish: Machine Gun) | 
| KM | Kevin Mitnick (former hacker) | 
| KM | Knightmare (gaming clan) | 
| KM | Krause-Mishler (numismatic catalogue) | 
| KM | Kashimashi (anime) | 
| KM | Kabataang Makabayan (Nationalist Youth, Philippines) | 
| KM | Kick Me | 
| KM | Kent Messenger (newspaper, England) | 
| KM | Kashmiri Migrant (India) | 
| KM | Keith Mcleod (NBA Player) | 
| KM | Kinematic Mount | 
| KM | Keyboard Mania (keyboard simulation game) | 
| KM | Kilomega (archaic; now Giga-) | 
| KM | Killer Mongoose (UK gaming clan) | 
| KM | Kingd Mickey (video game character, Kingdom Hearts) | 
| KM | Kirk-Mayer, Inc | 
| KM | United Kingdom to Mediterranean (routing designation; US Navy) |