- 1 Laing, Son & Harrar (Firm)
- 1 Laity
- 1 Lake Surprise
- 4 Lake Windermere
- 48 Lakes
- 15 Lakes & ponds
- 1 Lallemand, Georges, ca. 1598-1640
- 4 Lama glama (species)
- 1 Lama guanicoe (species)
- 9 Lamb of God
- 3 Lamb Tavern
- 2 Lamb, Charles, 1775-1834
- 1 Lamb, Mary, 1764-1847
- 1 Lambarene, Gabonese Republic
- 2 Lambert Thomas & Co.
- 4 Lambeth Pottery (London, England)
- 15 Lambs
- 1 Lame duck
- 1 Lamert, Mary
- 3 Lamos (Firm)
- 1 Lampblack
- 188 Lampposts
- 36 Lamps
- 4 Lampshades
- 1 Lanark Mills-William Baird
- 2 Lancaster Avenue
- 1 Lancaster Avenue
- 12 Lancaster Avenue
- 1 Lancaster Avenue
- 20 Lancaster County, Pennsylvania
- 1 Lancaster Passenger Railway Station
- 1 Lancaster turnpike
- 2 Lancaster turnpike
- 1 Lancaster turnpike
- 10 Lancaster, Pennsylvania
- 1 Land
- 1 Land mines
- 7 Land surveys
- 3 Land Title and Trust Co.
- 121 Land use maps
