P34 or P-34 may refer to:

Vessels

• ARA Santísima Trinidad (P-34), a frigate of the Argentine Navy
• HMS Ultimatum (P34), a submarine of the Royal Navy
• INS Ajay (P34), ships of the Indian Navy

Other uses

• Chuwabu language
• Cyclin-dependent kinase 1
• Papyrus 34, a biblical manuscript
• Phosphorus-34, an isotope of phosphorus
• Tyrrell P34, a Formula One race car
• Wedell-Williams XP-34, a cancelled American fighter aircraft
• P34, a state regional road in Latvia

Topics referred to by the same term

This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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