L
- Laboe: Kulmbach class (Type 332) minehunter
- Lachs: Barbe class (Type 520) utility landing craft, used as transport ships
- Lahn: Lahn class (Type 403) tender
- Lech: Lahn class (Type 403) tender
- Leipzig: 3,300 ton Bremen class light cruiser, launched 1905
- Leipzig: 8,000 ton Leipzig class cruiser, launched 1929
- Leberecht Maass: 2,230 ton Type 1934 destroyer
- Leopard: Jaguar (Type 140) fast attack craft, commissioned 1958—1973
- Leopard: Tiger class (Type 148) fast attack craft, decommissioned
- Lindau: Lindau class (Type 320) minesweeper, commissioned 1958 to 1975, upgraded to Type 331
- Lindau: Fulda class (Type 331, upgraded Type 320 Lindau class) minesweepers, commissioned 1978 to 2000
- Lothringen: 13,000 ton Braunschweig class battleship, launched 1904
- Löwe, Norwegian Sleipner class destroyer Gyller captured on 9 April 1940, re-designated as torpedo boat.
- Löwe: Jaguar (Type 140) fast attack craft, commissioned 1959—1975
- Löwe: Tiger class (Type 148) fast attack craft, decommissioned
- Lübeck: 3,300 ton Bremen class light cruiser, launched 1904
- Lübeck: Köln class (Type 120) frigate, commissioned 1963 to 1988
- Lübeck: Bremen class (Type 122) frigate
- Luchs: Gunboat, launched 18 October 1899, commissioned 15 April 1900, blown up 28 August 1914
- Luchs: Jaguar class (Type 140) fast attack craft, commissioned 1958—1972
- Luchs: Tiger class (Type 148) fast attack craft, decommissioned
- Ludwigshafen: Braunschweig class (Type 130) corvette, planned
- Lüneburg: Lüneburg class (Type 701) replenishment ship
- Lütjens: Lütjens class (Type 103B) destroyer, decommissioned
- Lützow: 27,000 ton Derfflinger class battlecruiser, launched 1913
- Lützow: 14,000 ton modified Admiral Hipper class heavy cruiser, sold before completion to Soviet Union in 1939, never commissioned
- Lützow: 12,000 ton Deutschland class heavy cruiser, renamed from Deutschland in 1939
Read more about this topic: List Of Naval Ships Of Germany