| 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 Laing | city | Queensland | Australia | -18.48 | 144.82 | 2509 | 0 |
| Mount Landing | city | Virginia | United States | 37.94 | -76.92 | 98 | |
| Mount Landsborough | city | Queensland | Australia | -22.62 | 143.22 | 830 | 0 |
| Mount Lang Homestead | city | Queensland | Australia | -18.48 | 144.82 | 2509 | 0 |
| Mount Laptz | city | Western Australia | Australia | -17.58 | 126.82 | 1669 | 0 |
| Mount Larcom | city | Queensland | Australia | -23.81 | 150.98 | 830 | 0 |
| Mount Larrie | city | Northern Territory | Australia | -23.28 | 131.83 | 1866 | 0 |
| 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 Lavania | city | Western | Sri Lanka | 6.83 | 79.86 | 9 | 112010 |
| Mount Lavina | city | Western | Sri Lanka | 6.83 | 79.86 | 9 | 112010 |
| Mount Lavinia | city | Western | Sri Lanka | 6.83 | 79.86 | 9 | 112010 |
| Mount Laviniya | city | Western | Sri Lanka | 6.83 | 79.86 | 9 | 112010 |
| Mount Lawless | city | Queensland | Australia | -25.54 | 151.65 | 830 | 149 |
| Mount Lawn | city | Indiana | United States | 39.91 | -85.46 | 997 | |
| Mount Le Seur | city | KwaZulu-Natal | South Africa | -29.54 | 29.73 | 4563 | 1030 |
| Mount Le Sueur | city | KwaZulu-Natal | South Africa | -29.54 | 29.73 | 4563 | 1030 |
| Mount Lebannon Acres | city | Utah | United States | 40.94 | -111.87 | 4399 | |
| Mount Lebanon | city | Free State | South Africa | -29.57 | 25.87 | 4363 | 125 |
| 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 Lebanus | city | Clarendon | Jamaica | 18.05 | -77.37 | 1751 | 21994 |
| Mount Lebanus | city | Saint Thomas | Jamaica | 17.97 | -76.54 | 935 | 13525 |
| Mount Leigh (historical) | city | Ohio | United States | 38.96 | -83.57 | 830 | |
| Mount Lena | city | Maryland | United States | 39.56 | -77.63 | 830 | |
| Mount Lennans | city | Queensland | Australia | -13.15 | 143.03 | 830 | 0 |
| Mount Leo | city | Tennessee | United States | 35.67 | -85.76 | 997 | |
| Mount Leonard | city | Northern Cape | South Africa | -28.14 | 22.66 | 4189 | 6 |
| Mount Leonard | city | Northern Cape | South Africa | -28.15 | 22.65 | 4189 | 3 |
| Mount Leonard | city | Missouri | United States | 39.12 | -93.39 | 830 | |
| Mount Levers | city | Clare | Ireland | 52.75 | -8.76 | 262 | 3295 |
| 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 Liebig Airport | airport | -23.24 | 131.26 | 0 | |||
| Mount Lily | city | Saint James Windward | St. Kitts & Nevis | 17.18 | -62.58 | 3 | 5633 |
| Mount Lily Village | city | Saint James Windward | St. Kitts & Nevis | 17.18 | -62.58 | 3 | 5633 |
| Mount Lincoln | city | Colorado | United States | 39.11 | -108.38 | 5029 | |
| Mount Lindsay Airport | airport | -27.02 | 129.88 | 0 | |||
| Mount Linton | city | New Zealand | -45.93 | 167.87 | 830 | 181 | |
| Mount Lion | city | New South Wales | Australia | -28.44 | 152.96 | 997 | 298 |
| Mount Lloyd | city | Tasmania | Australia | -42.82 | 146.95 | 1906 | 0 |
| Mount Lofty | city | South Australia | Australia | -35.00 | 138.70 | 994 | 35306 |
| Mount Loggie | city | South Australia | Australia | -35.95 | 139.88 | 328 | 0 |
| Mount Lomond Estates | city | Utah | United States | 41.32 | -111.97 | 4596 | |
| Mount Lonarch | city | Victoria | Australia | -37.25 | 143.40 | 1669 | 149 |
| Mount Lookout | city | Queensland | Australia | -21.33 | 147.80 | 977 | 0 |
| Mount Lookout | city | Ohio | United States | 39.13 | -84.43 | 830 | |
| Mount Lookout | city | West Virginia | United States | 38.17 | -80.91 | 1899 | |
| Mount Lothian | city | Mashonaland East | Zimbabwe | -17.70 | 31.34 | 4189 | 2682 |
| Mount Low | city | Queensland | Australia | -19.23 | 146.67 | 95 | 13178 |
| Mount Lucas | city | Texas | United States | 28.19 | -97.95 | 118 | |
| Mount Lucia | city | Iowa | United States | 42.54 | -96.46 | 1669 | |
| Mount Luke | city | Queensland | Australia | -27.40 | 150.03 | 1007 | 0 |
| Mount Lyndhurst | city | South Australia | Australia | -30.18 | 138.71 | 948 | 0 |