PU, Pu, or pu may refer to:
The public domain consists of all the creative works to which no exclusive intellectual property rights apply.
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.
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.
Punjab (Urdu, Punjabi: پنجاب, panj-āb, "five waters": listen ) is Pakistan's second largest province by area, after Balochistan, and its most populous province, with an estimated population of 110,012,442 as of 2017. It is bordered by the Pakistan provinces of Sindh, Balochistan, and Khyber Pakhtunkhwa, the enclave of Islamabad, and Azad Kashmir.
Public-key cryptography, or asymmetric 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.