P6, P-6, or P.6 may refer to: P6 (microarchitecture), a sixth-generation Intel x86 microprocessor microarchitecture POWER6, a sixth-generational IBM microprocessor microarchitecture p6 protein, a protein of HIV HAT-P-6, a star in the constellation Andromeda Integrated Truss Structure#P6, S6 trusses, trusses on the International Space Station Rover P6 series, a saloon car model produced from 1963 to 1977 in Solihull, West Midlands, England SIG Sauer P225/P6, a variant of the P225 pistol used by West German police forces Pentacon Six, a single-lens reflex (SLR) medium format camera system Period 6, a period of the periodic table of elements Primavera P6, a project management software package by Primavera (software) IATA code for Privilege Style, a charter airline Principle 6 campaign, opposing anti-gay Russian laws at the 2014 Olympics P6 ATAV, an Indonesian light attack vehicle P-6, a variant of the Cold War era Soviet naval cruise missile SS-N-3A Shaddock PPPPPP (manga), a short hand for the manga by Maporo 3-Gō. Aircraft Curtiss P-6 Hawk, a 1927 American single-engine biplane fighter Piaggio P.6, a 1927 Italian catapult-launched reconnaissance floatplane PZL P.6, a 1930 Polish fighter See also P600 (neuroscience), an event-related potential 6P (disambiguation) PPPPPP (disambiguation)