The initials PNB or Pnb may refer to:
Banking Pemodalan Nasional Berhad, in Malaysia Philippine National Bank in the Philippines Punjab National Bank in India Philadelphia National Bank, renamed to CoreStates
Companies & organizations Pacific Northwest Bell, a former division of AT&T Corporation and then US West Pacific Northwest Ballet, Seattle, Washington Pickleball New Brunswick, a Canadian provincial sport authority
Policing Police notebook, used by police Police Negotiating Board Bolivarian National Police
Politics Parti National Basque, the Basque National Party Parti National Breton, the Breton National Party Parti Nationaliste Breton, the Breton Nationalist Party Partners for a New Beginning
Other Peanut butter Peripheral nerve block ISO 639 code for Pakistani Punjabi language (lower case letters) Pottery Neolithic B, a division of the Pottery Neolithic period in archaeology