| L | Langeoog (Germany) | (Lindas) (Sweden) |
| L9512 (Netherlands) | Langer Heinrich (Germany) | Lincoln Castle (GB) |
| (L. A. City No. 1) (USA) | (Lars) (Denmark) | Line Hinsch (Germany) |
| L. A. Dunton (USA) | (Las Vegas) (Sweden) | Ling (USA) |
| L. S. No. 1 (Belgium) | (Lasakoski) (Finland) | Lingard (Norway) |
| L. S. No. 2 (Belgium) | L'Atalanta (GB) | Linnea (Sweden) |
| L.V.R.R. No. 79 (USA) | Lauranda (Belgium) | Lionfish (USA) |
| (La Barca) (Germany) | Lauri (Finland) | (Lippe) (Germany) |
| La Belle Poule (France) | Laurindo Pitta (Brazil) | Lissy (Denmark) |
| La Duchesse (USA) | LCA 1825 (France) | (Listopada) (Poland) |
| La Leone (France) | LCT-7074 (GB) | (Little Jennie) (USA) |
| (La Levantina) (France) | Leader (GB) | Little Rock (USA) |
| (La Lorraine) (France) | (Leanyfalu) (Hungary) | (Lizzie May) (GB) |
| La Merced (USA) | Lechalas (France) | (Lodona) (GB) |
| La Suisse (Switzerland) | Leao Holades (Portugal) | Lodsden Ronne (Germany) |
| La Vaudoise (Switzerland) | (Leine) (Austria) | Logsdon (USA) |
| Labe (Czech Republic) | Leipzig (Germany) | Lokki (Finland) |
| (Labe) (Czech Republic) | Leitha (Hungary) | Lombardia (Italy) |
| (Ladona) (USA) | Lembit (Estonia) | Lone Star (USA) |
| Lady Canadian (Canada) | Lena (Netherlands) | Lonsdale (Chile) |
| Lady Daphne (GB) | (Leonid Krassin) (Russia) | Loodschoener Nr. 1 (Netherlands) |
| Lady Denman (Australia) | Leppavirta (Finland) | (Looma II) (Australia) |
| (Lady Edith) (GB) | (Leppavirta II) (Finland) | Lord Nelson (Sweden) |
| Lady Elizabeth (Falkland Islands) | Les Deux Freres (France) | (Lorne Leader) (GB) |
| Lady Forrest (Australia) | L'Etoile (France) | Lornty (USA) |
| Lady Hopetoun (Australia) | Lettie G. Howard (USA) | Lotschberg (Switzerland) |
| Lady Isabel (USA) | Lewis Ark (USA) | Louise (South Georgia) |
| Lady Jean (GB) | Lewis R. French (USA) | (Louis W. Hill) (USA) |
| Lady of the Lea (GB) | Lexington (USA) | Loyal (Norway) |
| Lady Rose (Canada) | (Lia) (Netherlands) | (Loyto II) (Finland) |
| (Lady Sylvia) (Canada) | (Libauskij) (Finland) | LSM - 45 (USA) |
| (Laennec) (Finland) | Libelle Class (Germany) | (Luceaferal) (Romania) |
| Laeso Rende (Germany) | Libertatea (Romania) | Ludwig Fessler (Germany) |
| Laffey (USA) | Lichtschip No. 10 (Netherlands) | Luise (Germany) |
| Lagun Artean (Spain) | Lichtschip No. 12 (Netherlands) | Luna (USA) |
| (Lahti) (Finland) | Liemba (Tanzania) | (Lura M. II) (USA) |
| Lahtis (Finland) | Lightship No. 84 (USA) | Luther Little (USA)* |
| Laitala (Finland) | (Lightvessel No. 8) (Netherlands) | LV 13 (Germany) |
| Lajta (India) | (Lightvessel No. 12) (Netherlands) | Lydia (France) |
| Lane Victory (USA) | (Litto) (Finland) | Lydia Eva (GB) |
| Landrath Kuster (Germany) | Lilac (USA) | Lynn Well Lightship (GB)* |
| Langeness (Germany) | Lilla Dan (Denmark) | Lyttleton (New Zealand) |
| (Lyttleton II) (Australia) |
