PNU

PNU can stand for:

Education

 * Payame Noor University, Tehran, Iran headquarters and 500+ locations worldwide.
 * Pacific National University, Khabarovsk, Russia
 * Philippine Normal University, Manila, Philippine
 * Precarpathian National University, Ivano-Frankivsk, Ukraine
 * Princess of Naradhiwas University, Narathiwat, Thailand
 * Princess Nora bint Abdul Rahman University, Riyadh, Saudi Arabia
 * Pusan National University, Busan, Republic of Korea

Other uses

 * Party of National Unity (Kenya), a Kenyan political party
 * Penrith Nepean United, an association football club in New South Wales, Australia
 * Protein Nitrogen Unit, a measure of the potency of the compounds used in allergy skin tests