| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mount Laffee | city | Pennsylvania | United States | 40.72 | -76.23 | 898 | |
| Mount Laguna | city | California | United States | 32.87 | -116.42 | 6003 | |
| Mount Landing | city | Virginia | United States | 37.94 | -76.92 | 98 | |
| Mount Laurel | city | New Jersey | United States | 39.93 | -74.89 | 98 | |
| Mount Laurel | city | Pennsylvania | United States | 40.93 | -75.99 | 1699 | |
| Mount Laurel | city | Virginia | United States | 36.88 | -78.79 | 830 | |
| Mount Lawn | city | Indiana | United States | 39.91 | -85.46 | 997 | |
| Mount Lebannon Acres | city | Utah | United States | 40.94 | -111.87 | 4399 | |
| Mount Lebanon | city | Alabama | United States | 34.86 | -86.61 | 830 | |
| Mount Lebanon | city | Kentucky | United States | 37.83 | -84.50 | 830 | |
| Mount Lebanon | city | Louisiana | United States | 32.50 | -93.05 | 298 | |
| Mount Lebanon | city | New Jersey | United States | 40.76 | -74.87 | 997 | |
| Mount Lebanon | city | Pennsylvania | United States | 40.36 | -80.05 | 1115 | |
| Mount Lebanon | city | Tennessee | United States | 36.15 | -87.36 | 830 | |
| Mount Lebanon | city | Tennessee | United States | 35.25 | -87.47 | 872 | |
| Mount Lebanon | city | Tennessee | United States | 35.58 | -88.05 | 400 | |
| Mount Lebanon | city | Tennessee | United States | 35.61 | -89.71 | 400 | |
| Mount Lebanon | city | Maryland | United States | 39.28 | -77.18 | 830 | |
| Mount Leigh (historical) | city | Ohio | United States | 38.96 | -83.57 | 830 | |
| Mount Lena | city | Maryland | United States | 39.56 | -77.63 | 830 | |
| Mount Leo | city | Tennessee | United States | 35.67 | -85.76 | 997 | |
| Mount Leonard | city | Missouri | United States | 39.12 | -93.39 | 830 | |
| Mount Lewis | city | Utah | United States | 41.28 | -111.96 | 4422 | |
| Mount Liberty | city | Indiana | United States | 39.18 | -86.13 | 830 | |
| Mount Liberty | city | Ohio | United States | 40.35 | -82.63 | 1243 | |
| Mount Liberty | city | West Virginia | United States | 39.08 | -80.02 | 1998 | |
| Mount Lincoln | city | Colorado | United States | 39.11 | -108.38 | 5029 | |
| Mount Lomond Estates | city | Utah | United States | 41.32 | -111.97 | 4596 | |
| Mount Lookout | city | Ohio | United States | 39.13 | -84.43 | 830 | |
| Mount Lookout | city | West Virginia | United States | 38.17 | -80.91 | 1899 | |
| Mount Lucas | city | Texas | United States | 28.19 | -97.95 | 118 | |
| Mount Lucia | city | Iowa | United States | 42.54 | -96.46 | 1669 |