| Name | Shipbuilder | Build Location |
|---|---|---|
| Johannes | Unknown | Unknown |
| John Bertram (1842) | Ewell & Jackson | East Boston |
| SS John Elders (1870) | John Elders & Co. | Govan, Scotland |
| SS John Fallern | Unknown | Unknown |
| John Godfrey | Unknown | Unknown |
| John Remmin | Unknown | Unknown |
| Joulda | Unknown | Unknown |
| Jubilee | Unknown | Unknown |
| Juline | Unknown | Unknown |
| SS Jumna (1886) | Wm Denny & Bros | Dumbarton, Britain |
| Kaiser Whilhelm I | Unknown | Unknown |
| Kaisser Wilhelm II (1872) | A.C. Vulcan | Stettin |
| Kalama | Unknown | Unknown |
| SS Karlsruhe (1905) | Schichau Seebeckwerft | Hamburg |
| Karramatta | Unknown | Unknown |
| SS Kasilda | Unknown | Unknown |
| Kathania | Unknown | Unknown |
| Kattania | Unknown | Unknown |
| Kehrwieder | Unknown | Unknown |
| Kent | Unknown | Unknown |
| Kidive | Unknown | Unknown |
| Kikora | Unknown | Unknown |
| King of the Seas | Unknown | Unknown |
| Kirkham | Unknown | Unknown |
| Steamer Königin Louise | Unknown | Unknown |
| Kriendburg | Unknown | Unknown |
| Kronstadt | Unknown | Unknown |
| SS Kumano Maru | Unknown | Unknown |
| Kurfust | Unknown | Unknown |
| SS Kyarra | Unknown | Unknown |
| Lagershelly | Unknown | Unknown |
| Lammashagen | Unknown | Unknown |
| Lana Keegan | Unknown | Unknown |
| S Lancashire | Unknown | Unknown |
| Lansa Shel | Unknown | Unknown |
| Laramie | Unknown | Unknown |
| La Rochelle | Unknown | Unknown |
| Larschell | Unknown | Unknown |
| Lassi | Unknown | Unknown |
| Laura Cella | Unknown | Unknown |
| SS Laura Hill | Unknown | Unknown |
| La Ville Ascutar | Unknown | Unknown |
| Leathal | Unknown | Unknown |
| Leontine (1844) | Johann Lange | Vegesack/Grohn |
| Leopold | Unknown | Unknown |
| Lieten | Unknown | Unknown |
| Lighserring | Unknown | Unknown |
| Lightening | Unknown | Unknown |
| SS Liguria | Unknown | Unknown |
| SS Limerick | Unknown | Unknown |