| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Liberty Forest | city | Maryland | United States | 39.51 | -77.27 | 830 | |
| Liberty Grove | city | Maryland | United States | 39.66 | -76.12 | 200 | |
| Liberty Heights | city | Maryland | United States | 39.17 | -77.27 | 830 | |
| Liberty Knolls | city | Maryland | United States | 39.48 | -77.23 | 830 | |
| Liberty Lake Hills | city | Maryland | United States | 39.40 | -76.90 | 830 | |
| Liberty Manor | city | Maryland | United States | 39.36 | -76.79 | 830 | |
| Liberty Manor | city | Maryland | United States | 39.41 | -76.91 | 830 | |
| Liberty Mobile Home Park | city | Maryland | United States | 39.30 | -76.50 | 9 | |
| Liberty View Farms | city | Maryland | United States | 39.49 | -76.89 | 830 | |
| Libertytown | city | Maryland | United States | 38.32 | -75.30 | 22 | |
| Libertytown | city | Maryland | United States | 39.49 | -77.24 | 830 | |
| Liebno Estates | city | Maryland | United States | 39.64 | -77.11 | 830 | |
| Lillys Addition | city | Maryland | United States | 39.13 | -76.87 | 347 | |
| Lilypons | city | Maryland | United States | 39.30 | -77.43 | 298 | |
| Lime Kiln | city | Maryland | United States | 39.35 | -77.43 | 249 | |
| Lime Kiln Valley | city | Maryland | United States | 39.15 | -76.96 | 367 | |
| Linchester | city | Maryland | United States | 38.70 | -75.90 | 16 | |
| Lincoln | city | Maryland | United States | 38.96 | -76.82 | 147 | |
| Lincoln Heights | city | Maryland | United States | 38.35 | -75.59 | 26 | |
| Lincoln Heights | city | Maryland | United States | 39.00 | -76.53 | 65 | |
| Lincoln Manor | city | Maryland | United States | 39.63 | -76.82 | 830 | |
| Lincoln Mobile Home Park | city | Maryland | United States | 39.23 | -76.45 | 3 | |
| Lincrest | city | Maryland | United States | 39.46 | -76.38 | 249 | |
| Linda Manor | city | Maryland | United States | 38.33 | -75.62 | 22 | |
| Lindamoor on the Severn | city | Maryland | United States | 39.00 | -76.51 | 49 | |
| Linden | city | Maryland | United States | 39.01 | -77.05 | 344 | |
| Linden Chapel Hills | city | Maryland | United States | 39.23 | -76.99 | 830 | |
| Linden Chapel Woods | city | Maryland | United States | 39.23 | -76.98 | 830 | |
| Linden Estates | city | Maryland | United States | 39.65 | -77.03 | 830 | |
| Linden Hills | city | Maryland | United States | 39.42 | -77.44 | 400 | |
| Linden Springs | city | Maryland | United States | 39.71 | -76.72 | 830 | |
| Lindill Estates | city | Maryland | United States | 39.52 | -76.35 | 298 | |
| Line Ridge | city | Maryland | United States | 38.63 | -76.57 | 101 | |
| Lineboro | city | Maryland | United States | 39.72 | -76.84 | 830 | |
| Linganore | city | Maryland | United States | 39.44 | -77.21 | 830 | |
| Linganore View | city | Maryland | United States | 39.37 | -77.23 | 830 | |
| Linganore Woods | city | Maryland | United States | 39.45 | -77.21 | 830 | |
| Linhigh | city | Maryland | United States | 39.36 | -76.51 | 147 | |
| Linkwood | city | Maryland | United States | 38.54 | -75.95 | 19 | |
| Linstead-on-the-Severn | city | Maryland | United States | 39.06 | -76.56 | 0 | |
| Linthicum | city | Maryland | United States | 39.21 | -76.65 | 147 | |
| Linthicum Heights | city | Maryland | United States | 39.20 | -76.66 | 131 | |
| Linthicum Hills | city | Maryland | United States | 39.22 | -76.65 | 144 | |
| Linthicum Oaks | city | Maryland | United States | 39.20 | -76.65 | 150 | |
| Linton Springs | city | Maryland | United States | 39.42 | -76.98 | 830 | |
| Linwood | city | Maryland | United States | 39.56 | -77.14 | 830 | |
| Linwood | city | Maryland | United States | 39.28 | -76.81 | 262 | |
| Lions Gate | city | Maryland | United States | 39.08 | -76.69 | 200 | |
| Lipins Corner | city | Maryland | United States | 39.13 | -76.58 | 124 | |
| Lisbon | city | Maryland | United States | 39.34 | -77.07 | 830 | |
| Lisbon Acres | city | Maryland | United States | 39.34 | -77.04 | 830 | |
| Lisbon Manor | city | Maryland | United States | 39.35 | -77.08 | 830 | |
| Lisbon Meadows | city | Maryland | United States | 39.32 | -77.06 | 830 | |
| Lismarelu Farms | city | Maryland | United States | 39.59 | -76.89 | 830 | |
| Little Acres | city | Maryland | United States | 39.63 | -77.08 | 830 | |
| Little Elkton | city | Maryland | United States | 39.61 | -75.84 | 52 | |
| Little Georgetown | city | Maryland | United States | 38.45 | -75.14 | 3 | |
| Little Italy | city | Maryland | United States | 39.29 | -76.60 | 3 | |
| Little John | city | Maryland | United States | 39.03 | -76.54 | 16 | |
| Little Neck Farms | city | Maryland | United States | 39.17 | -76.26 | 3 | |
| Little Orleans | city | Maryland | United States | 39.63 | -78.39 | 830 | |
| Little Washington | city | Maryland | United States | 38.85 | -76.85 | 249 | |
| Liverpool Wharf | city | Maryland | United States | 38.46 | -77.26 | 6 | |
| Livingston Grove | city | Maryland | United States | 38.66 | -77.03 | 147 | |
| Livingston Heights | city | Maryland | United States | 38.36 | -75.56 | 22 |