| Abbreviation | Definition |
|---|---|
| KTL | Kwun Tong Line |
| KTM | Kraftfahrzeuge Trunkenpolz Mattighofen |
| KTT | Kentucky Trimodal Transpark |
| KTT | Kowloon Through Train |
| KTV | Kevin Transport Vehicle |
| KUV | Knapheide Utility Vehicle |
| KUV | Kool Utility Vehicle |
| KWE | Kilowatt Electric |
| L | Litre |
| L3C | Last Three Cargoes |
| L4 | Automatic Lockup Four Speed |
| LAA | Local Airport Advisory |
| LAAS | Low Altitude Alert System |
| LACV | Lighter Air Cushioned Vehicle |
| LADA | Lovely And Drives Accordingly |
| LAIV | Light Aerial Insertion Vehicle |
| LAMP | Low Altitude Mapping Photography |
| LANTA | Lehigh And Northampton Transportation Authority |
| LAS | Landing Assist System |
| LAS | McCarran International Airport, Las Vegas, Nevada |