L class
- Barry Railway Class L
- Class 1 (disambiguation)
- Class I (disambiguation)
- Highland Railway L Class
- I class (disambiguation)
- L (complexity)
- L (disambiguation)
- L type (disambiguation)
- L-class Melbourne tram
- L-class Sydney tram
- L-class blimp
- L-class destroyer (disambiguation)
- L-class star
- L-class submarine (disambiguation)
- Maine Central class L 4-4-0
- NBR Class L
- NZR L class
- Victorian Railways L class
- WAGR L class
- WAGR L class (diesel)