| L | the 12th letter of the Roman alphabet |
|---|---|
| L | a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter |
| L | the cardinal number that is the product of ten and five |
| L | a metric unit of capacity equal to the volume of 1 kilogram of pure water at 4 degrees centigrade and 760 mm of mercury (or approximately 1.76 pints) |
| L | being ten more than forty |
| L | the provincial capital of the Abruzzi region in central Italy |
| L | United States architect (born in France) who laid out the city plan for Washington (1754-1825) |
| L | the levorotatory form of dopa (trade names Bendopa and Brocadopa and Larodopa) |
| L | a long-playing phonograph record |
| L | (British) a square plate bearing the letter L that is attached to both ends of a car to indicate that the driver is a learner |
| L | Canadian novelist (1874-1942) |
| L | English painter (1887-1976) |