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 assi ...
, a biblical manuscript
*
Phosphorus-41
Although phosphorus (15P) has 23 isotopes from 25P to 47P, only 31P is stable; as such, 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 ...
, an isotope of phosphorus
*
Seversky XP-41, an American prototype fighter aircraft
* P41, a
Latvian state regional road
* P41, a Mazda auto racing engine developed by
Advanced Engine Research
{{Letter-number combination disambiguation