| Abbreviation | Designation | |
|---|---|---|
| KW | Kalenderwoche (German) | |
| KW | Kühlware (German) | |
| KW | Koleje Wielkopolskie, Koleje Wielkopolskie Sp. z o.o. (Polish) Greater Poland Railways | railway company |
| kW | Kilowatt (power) | railway technology |
| Kw | Kurswagen (German) through coach | vehicle fleet |
| KW | Königs Wusterhausen (German) | fare point / vehicle registration plate |
| 266 / KW | Wuppertal Hbf (German) | station code |