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- Paderborn: Lindau class (Type 320) minesweeper, commissioned 1958 to 1979, upgraded to Type 351, recommissioned 1989 to 2000
- Panther: Iltis class gunboat, launched 1 April 1901, commissioned 15 March 1903, sold 1931, scrapped
- Panther, Norwegian Sleipner class destroyer Odin captured on 9 April 1940, re-designated as torpedo boat.
- Panther: Jaguar class (Type 140) fast attack craft, commissioned 1958—1973
- Panther: Tiger class (Type 148) fast attack craft, decommissioned
- Passau: Vegesack class (Type 321) minesweeper, commissioned 1960 to 1963
- Passau: Kulmbach class (Type 332) minehunter
- Paul Jacobi: 2,230 ton Type 1934A destroyer
- Pegnitz: Ensdorf class (Type 352) minesweeper
- Pelikan: Jaguar (Type 140) fast attack craft, commissioned 1960—1974
- Pelikan: Tiger class (Type 148) fast attack craft, decommissioned
- Peter Straßer: 28,000 ton Graf Zeppelin class aircraft carrier, never launched
- Pfeil: Vosper (Type 153) fast attack craft, commissioned 1962—1965
- Pillau: Pillau class light cruiser, launched 1914
- Pinguin HSK 5: 17,600 ton unique auxiliary merchant cruiser
- Pinguin: Jaguar (Type 140) fast attack craft, commissioned 1961—1973
- Pinguin: Tiger class (Type 148) fast attack craft, decommissioned
- Planet (Type 752): Planet class research ship, commissioned 2005
- Plötze: Barbe class (Type 520) utility landing craft, used as transport ships (decommissioned)
- Pollux: Krebs class (Type 340) minesweeper, commissioned 1961—1992)
- Pommern: 13,000 ton Deutschland class battleship, launched 1905
- Posen: 19,000 ton Nassau class battleship, launched 1908
- Preußen: 6,800 ton Preußen class armored frigate, launched 1873
- Preußen: 13,000 ton Braunschweig class battleship, launched 1903
- Prinz Adalbert: 9,000 ton Prinz Adalbert class armored cruiser, 1901
- Prinz Eugen: 14,000 ton modified Admiral Hipper class heavy cruiser, launched 1938
- Prinz Heinrich: 9,000 ton unique armored cruiser, 1900
- Prinzregent Luitpold: 25,000 ton Kaiser class battleship, launched 1911
- Puma: Zobel (Type 142) class fast attack craft, commissioned 1962—1981
- Puma: Gepard class (Type 143A) fast attack craft
Read more about this topic: List Of Naval Ships Of Germany