| K | 1,000; Kilo |
| KAM | Kansas Assn. of Mappers |
| Kan. | Kansas |
| KANDIDATS | Univ. of Kansas Landsat Software System |
| KAPS | Kentucky Assn. of Land Surveyors |
| KARS | Kansas Applied Remote Sensing (program) |
| KB | Kilobyte |
| KBPS | Kilobytes per second |
| KCWA | Kern County Water Agency (Calif.) |
| KDD | Knowledge discovery in databases |
| KDI | Knowledge and Distributed Intelligence |
| KDMS | Kork Digital Mapping System |
| K+F | Kummerly + Frey AG |
| Kfz. | Kraftfahrzeug |
| KGPS | Kinematic GPS |
| KGS | Kansas Geological Survey; Kentucky Geological Survey |
| kHz. | Kilohertz |
| KHz. | Kilohertz |
| KIER | Korean Inst. of Energy and Resources |
| Kil. | Kilometer |
| KINDS | Knowledge Interfaces to National Data Sets |
| KKH | Karakoram Highway |
| kl. | klein |
| Kl. | Klasse |
| KL | Karhunen-Loeve (transform) |
| K-L | Karhunen-Loeve (transform) |
| Klbf | Kleinbahnhof |
| Kleinb | Kleinbahn = Narrow-guage railroad |
| Kleinbf | Kleinbahnhof |
| Kls. | Kloster = cloister |
| KLSD | Kiribati Land and Survey Div. |
| km | Kilometer |
| KM | Kansas Mapper |
| KNP | Kruger National Park |
| KNRIS | Kentucky Natural Resources Information System |
| KREMU | Kenya Rangeland Ecological Monitoring Unit |
| KRIS | Kentucky Resources Information System |
| KSNM | Thousands (K) of square nautical miles |
| KU | Univ. of Kansas |
| kV | Kilovolt |
| kW | Kilowatt |
| KW | Kilowatt |
| KWIC | Key Word in Context |
| KWOC | Key Word Out of Context |
| Ky. | Kentucky |
| KY | Kentucky |