P90

P90 or P-90 may refer to:


 * HMAS Attack (P 90), the lead ship of the Attack-class patrol boats used by the Royal Australian Navy
 * FN P90, a compact 5.7×28mm personal defense weapon designed and manufactured by FN Herstal
 * Nikon Coolpix P90, a 12-megapixel CCD digital camera
 * P-90, a single coil electric guitar pickup produced by Gibson
 * P90, the fifth-generation Toyota Starlet subcompact car
 * P90, a state regional road in Latvia
 * Papyrus 90 (also 𝔓90), a small fragment from the Gospel of John
 * Ruger P90, a variant of the Ruger P series line of centerfire semi-automatic pistols