P41 or P-41 may refer to:

Vessels

* ARA ''Espora'' (P-41), a corvette of the Argentine Navy * , a submarine transferred from the Royal Navy to the Royal Norwegian Navy * , a patrol vessel of the Irish Naval Service * * ''P-41 Cormorán'', a retired patrol boat of the Spanish Navy

Other uses

Papyrus 41 Papyrus 41 (in the Gregory-Aland numbering), designated by 𝔓41, is an early copy of the New Testament in Greek and Coptic. It is a diglot, it is a papyrus manuscript of the Acts of the Apostles. The manuscript paleographically has been assig ...

, a biblical manuscript *

Phosphorus-41 Although phosphorus (15P) has 22 isotopes from 26P to 47P, only 31P is stable, thus phosphorus is considered a monoisotopic element. The longest-lived radioactive isotopes are 33P with a half-life of 25.34 days and 32P with a half-life of 14.268 d ...

, an isotope of phosphorus *

Seversky XP-41 The Seversky XP-41 was a fighter aircraft built in the United States in 1939 in aviation, 1939. A single prototype was modified from the last production Seversky P-35 by adding a new streamlined canopy (aircraft), canopy, a Pratt & Whitney R-18 ...

, an American prototype fighter aircraft * P41, a Latvian state regional road * P41, a Mazda auto racing engine developed by

Advanced Engine Research Advanced Engine Research, Ltd. (commonly known by the abbreviation AER) is an auto racing engine manufacturer based in Basildon, Essex, England. Established in 1997, AER has developed winning engines for a number of high-profile international ra ...

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