PJ

PJ can refer to:

• Either petajoule (PJ = 10¹⁵  J) or picojoule (pJ = 10⁻¹²  J), both SI units of energy
• "Perish Judah" an anti-semitic motto used by Fascist Arnold Leese
• Pajamas, a type of clothing, also spelt pyjamas in various countries
• Justicialist Party (Spanish: Partido Justicialista), a major Argentine political party
• Polícia Judiciária, Portuguese criminal investigation police
• Policía Judicial, the equivalent criminal investigation police in some Spanish-speaking countries
• Police Judiciaire, the equivalent criminal division of the French Police nationale
• Para Jumper, an Air Force Pararescue operative of the US Air Force
• The Pharmaceutical Journal, the official publication of the Royal Pharmaceutical Society of Great Britain
• Poor Joke
• Pallet jack

Companies

• Air Saint-Pierre, a North America airline (IATA code: PJ)
• PJ Trailers, an American trailer manufacturer
• Peach John, a Japanese lingerie retailer
• PJSoft, an Iranian computer science and IT research company
• PJ's Public Housing Projects ("Projects"), in the ghetto slung

Entertainment

• Percy Jackson, a fictitious character from the 5 best seller homonym books written by Rick Riordan
• Pete Junior, a Disney cartoon character
• Peter Jackson, a New Zealand film director
• P. J. Hogan, an Australian film director
• PJ Harvey, an English musician and songwriter
• Pigeon John, an American underground rapper
• Pearl Jam, an American rock band
• Djahanshah Aghssa, also known as Persian John, an Iranian punk drummer
• Phil Jackson, the head coach of the Los Angeles Lakers
• P.J. (film), 1968 film starring George Peppard

Geography

• Pärnu-Jaagupi, Estonia
• Punjab (India)
• Petaling Jaya, Malaysian city
• Putrajaya, the legislative capital of Malaysia
• Punjab (Pakistan)

Journalism

• Pamela Jones, a paralegal journalistic blogger
• Peace Journalism, a professional journalistic technique that corrects for the common value bias in journalism in favour of violent responses to conflict.
• Photojournalist, a journalist working largely through images
• Peter Jennings, a journalist and news anchor
• P. J. Montgomery, New Zealand sports journalist

Literature

• Percy Jackson and the Olympians, a children's book series

Music

• Perpetuum Jazzile, a Slovenian choir that performs jazz and popular music.