P7, P.7, or P-7 may refer to: Aircraft Boeing XP-7, a prototype United States biplane fighter of the 1920s HAT-P-7b, an extrasolar planet discovered in 2008 Lockheed P-7, a proposed patrol aircraft ordered by the U.S. Navy Piaggio P.7, an Italian hydrofoil racing seaplane of 1929 PZL P.7, a 1930 Polish fighter aircraft Science p7 protein, a protein providing nucleocapsid of HIV Period 7 of the periodic table Seoul Semiconductor, high-energy quad-chip LED light (SSC P7) Computer science Intel Itanium processor code-name Intel NetBurst microarchitecture, a seventh generation x86 microarchitecture X.400 protocol for access of a message store from a user agent Other Cinturato P7 tire developed by Pirelli DR P7 Mix, a former radio station operated by the Danish Broadcasting Corporation Heckler & Koch P7, a semi-automatic pistol manufactured in Germany ProSieben, a German television channel Russian Sky Airlines IATA airline code South Scanian Regiment, Swedish Army armoured regiment with a designation P 7