Princess of Naradhiwas University (PNU) is a government sponsored university in Narathiwat, southern Thailand. It was founded under the act on 9 February 2005 by merging all educational institutions in the province. Those institutions are Narathiwat Technical College, Narathiwat Agricultural & Technology College, Takbai vocational college and Boromarjonani College of Nursing, Narathiwat.