Wikipedia
NPI
NPI may refer to:
- Non-Profit Institutions in the System of National Accounts, 1993 (1993 SNA)
- Numbering plan indicator
- Negative polarity item, a lexical element limiting scope of linguistic constructions
- New Politics Initiative
- New Policy Institute
- New product introduction
- National Policy Institute
- National Provider Identifier
- Nickel pig iron
- No pun intended
- Nonpublic Personal Information ( Gramm–Leach–Bliley Act)
- Northwest Progressive Institute
- Norwegian Polar Institute
- Nottingham Prognostic Index
- Nationaal Pop Instituut: the Dutch Rock & Pop Institute
- National pollutant inventory
- Narcissistic Personality Inventory, a standard personality test for evaluating self-centredness
- Nordic Patent Institute
- NP-intermediate, a complexity class in computational complexity theory