- Paasivesi (1919)
- Pacinotti (1992)
- Pamela (1983)
- Panny (1942)
- Party (1957)
- Pasteur (1939)
- Paul Wahl (1919)
- PCE-830 (1943)
- PCE-833 (1943)
- Pernille (1981)
- Pikisaari 6 (1899)
- Pirjo (1930)
- Polarlys (1952)
- Polarstern (2000)
- Port Melbourne (1955)
- Port Sydney (1955)
- Portus (1999)
- Princess of Dubrovnik (1998)
- Prins Carl Philip (1901)
- Prinsen (2009)
- Prinsessan av Stockholm (1965)
- Prinsessan Estelle (1965)
- Prinsessen (1965)
- Puerto Mogan (1958)
- Puerto Rico (1958)
- Puijo (1898)
- Punkaharju (1905)
- Pyhäsaari (1899)
- Pyhäselkä (1899)