P43

P43, P-43 or P.43 may refer to:

Aviation

 * Paratech P43, a Swiss paraglider
 * PZL.43, a Polish light bomber and reconnaissance aircraft
 * Republic P-43 Lancer, a fighter aircraft of the United States Army Air Corps

Vessels

 * ARA Spiro, a corvette of the Argentine Navy
 * HMS Unison (P43), a submarine of the Royal Navy
 * SPANISH PATROL VESSEL Relámpago

Other uses

 * Carro Armato P.43, an Italian heavy tank
 * GER Class P43, a steam tender locomotive
 * P43 route (Belarus), a road connecting to A130 highway (Russia)
 * Papyrus 43, a biblical manuscript
 * Phosphorus-43, an isotope of phosphorus
 * P43, a Latvian state regional road