| La Union | Lake Winnipeg | Leon |
| Labradoc | Lakefield | Leona |
| Lac des Iles | Lakeland | Leona II |
| Lac Ste.-Anne | Lakeport | Leonard, George B. |
| Lachinedoc | Lakeshell | Lepus |
| Lachinedoc | Lakeshell | L’Erable No. 1 |
| Lackawanna | Lakeshell | L’Erable No. 1 |
| Lady Catherine | Lakespan Ontario | Leslie, Alexander |
| Lady Hamilton | Laketon | Lethbridge |
| Lafayette | Laketon | Lewis, Arthur R. |
| Lagonda | Lakewood | Lewiston |
| Lairg | Lakewood | Libertas |
| Lake Allen | Lambert, John | Liberty |
| Lake Angelina | Lamont, Thomas W. | Liberty |
| Lake Arline | Lana | Limni |
| Lake Catherine | Lancashire | Lincolnshire |
| Lake Chelan | Land, Scott E. | Linda |
| Lake Clear | Lansdowne | Lingeman, Oscar J. |
| Lake Crystal | LaSalle | Linn, William R. |
| Lake Farge | LaSalle | Lio |
| Lake Faristell | Latimer, J. L. | Livingston |
| Lake Flovilla | Laud, Sam | Livingstone |
| Lake Folcroft | Laughlin, James | Llandaff |
| Lake Folsom | Lavaldoc | Loadmaster |
| Lake Freeland | Lawrencecliffe Hall | Lockwell |
| Lake Fresco | Lawrendoc | Log Transporter |
| Lake Fresno | Lawrendoc | Londonderry |
| Lake Frohna | Le Cedre | Loomis, Edward E. |
| Lake Frugality | Le Cedre No. 1 | Lorena 1 |
| Lake Frumet | Le Chene No. 1 | Lorna P. |
| Lake Geneva | Le Frene No. 1 | Louis J. Goulet |
| Lake Giltedge | Le Saule No. 1 | Lourival Lisboa |
| Lake Hemlock | Leadenhall | Lowson, Sir Denys |
| Lake Inaha | Leafield | Loyalty |
| Lake Kyttle | Lebanon | LST 1006 |
| Lake Louise | LeBrave | LST 1063 |
| Lake Manitoba | Leecliffe Hall | LST 393 |
| Lake Markham | Leecliffe Hall | LST 885 |
| Lake Mohonk | Leetsdale | Lubeck |
| Lake Nipigon | Lehigh | Lubrolake |
| Lake Pleasant | Lehigh | Lucky Star |
| Lake Sapor | Lehigh | Ludolph Oldendorff |
| Lake Shore | Leitch, Gordon C. | Lune Bridge |
| Lake Transport | Leitch, Gordon C. | Lupus |
| Lake Transport | Leitch, John D. | Luzon |
| Lake Traverse | Lemoine | Lynch, Thomas |
| Lake Wabush | Lemoyne | Lynn |
| Lake Weir | Lemoyne |