P28

P28 may refer to:


 * Consolidated P-28, an American prototype fighter aircraft
 * INS Kamorta (P28), a stealth corvette of the Indian Navy
 * Papyrus 28, a biblical manuscript
 * Percival P.28 Proctor, a British radio trainer and communications aircraft
 * Phosphorus-28, an isotope of phosphorus
 * P28, a Latvian state regional road