P33, P-33 or P.33 may refer to:
Vessels
* , a corvette of the Argentine Navy
* , a patrol boat of the Ghana Navy
* , a
P-class sloop
The P class, nominally described as "patrol boats", was in effect a class of British coastal sloops. Twenty-four ships to this design were ordered in May 1915 (numbered ''P.11'' to ''P.34'') and another thirty between February and June 1916 (num ...
of the Royal Navy
* , a submarine of the Royal Navy
* , a corvette of the Indian Navy
Other uses
*
Boulton & Paul P.33 Partridge, a British prototype fighter aircraft
*
Cochise County Airport, in Cochise County, Arizona, United States
*
Consolidated XP-33, an American prototype fighter aircraft
*
Papyrus 33
Papyrus 33 (in the Gregory-Aland numbering), designated by symbol 𝔓33, is a copy of the New Testament in Greek. It is a papyrus manuscript of the Acts of the Apostles, it contains only Acts 7:6-10.13-18; 15:21-24.26-32. The manuscript paleog ...
, a biblical manuscript
*
Phosphorus-33, a radioactive isotope of phosphorus
* P33, a
state regional road in Latvia
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