Name
- Laforce, Hypolite, French military surveyor1
- Lake, Edward, military engineer1
- Lambrecht, A R, military draughtsman1
- Lamorendiere, Norbert, French military surveyor1
- Latomus, A F, Lieutenant military draughtsman1
- Lawson, P S1
- Leplur, —, military engineer1
- Liesenhoff, J H, military draughtsman1
- Longmore, John, Ensign1
- Loxley, Benjamin, surveyor1
- Ludwig Ernst, Prince of Brunswick-Wolfenbüttel, 3rd son of Duke Ferdinand Albrecht II1
- Luttich, J C, military engineer1
- M., W1
- Madge, John, military draughtsman1
- Maisey, F C1
- Maitland, Frederick, Major-General Hon. son of General Hon Alexander Maitland Baronet1
- Marquez de Ternay, —, Lieutenant-General1
- Massey, F C, Captain1
- Massy, —, Lieutenant-Colonel 46th Regt1
- Matthias, G, draughtsman1