NPAP is an acronym which may refer to:
National Psychological Association for Psychoanalysis Network Printing Alliance Protocol; see Printer Working Group National Police Accountability Project; see People's Law Office N-PAP, a variant of the Zastava PAP series of sporting rifles. New Product Approval Process, a corporate process designed to standardize how new products/services are commercialized. Naphthylpropylaminopentane, a monoaminergic drug