PU, Pu, or pu may refer to:
The legal term public domain refers to works whose exclusive intellectual property rights have expired, have been forfeited, have been expressly waived, or are inapplicable.
Puerto Rico (Spanish for "Rich Port"), officially the Commonwealth of Puerto Rico (Spanish: Estado Libre Asociado de Puerto Rico, lit.
PubMed is a free search engine accessing primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics.
Pulp Fiction is a 1994 American crime film written and directed by Quentin Tarantino, based on a story by Tarantino and Roger Avary, and starring John Travolta, Samuel L.
Punk rock (or "punk") is a rock music genre that developed in the mid-1970s in the United States, United Kingdom, and Australia.
Public key cryptography, or asymmetrical cryptography, is any cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner.
Punjab ( ( listen)) is a state in northern India. Forming part of the larger Punjab region, the state is bordered by the Indian states of Jammu and Kashmir to the north, Himachal Pradesh to the east, Haryana to the south and southeast, Rajasthan to the southwest, and the Pakistani province of Punjab to the west.
Pulmonary embolism (PE) is a blockage of an artery in the lungs by a substance that has moved from elsewhere in the body through the bloodstream (embolism).
Public relations (PR) is the practice of managing the spread of information between an individual or an organization (such as a business, government agency, or a nonprofit organization) and the public.