P9

P9 or P-9 may refer to:

• Boeing XP-9, a prototype fighter aircraft from the 1930s
• Heckler & Koch P9, a semi-automatic pistol
• Springfield Armory P9, a semi-automatic pistol
• Peruvian Airlines IATA airline designator

and also

• Projekt 9, a motorcycle racing group
• Power Nine, a trading cards game of Magic: The Gathering
• Psyclon Nine, an aggrotech band

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