1l or 1-L may refer to:
- first-line medical treatment, 1L treatment, first-line therapy (2L, 3L, etc.)
- Marawing 1-L Malamut, Czech ultralight aircraft
- Toyota 1L
- Volkswagen 1-litre car
- First year law school student in the United States
- Liberland radio prefix
See also edit
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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