FN P90 is a compact 5.7×28mm personal defense weapon designed and manufactured by FN Herstal.
P90 or P-90 may also refer to: , the lead ship of the Attack-class patrol boats used by the Royal Australian Navy 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 P90, the 90th percentile