PBT

PBT may refer to:

Science, technology and medicine

 * Paul–Bunnell test, an heterophile antibody test
 * Persistent, bioaccumulative and toxic substances, a class of compounds that have high resistance to degradation
 * Polybutylene terephthalate, plastic used as an electrical insulator
 * Proton beam therapy, a cancer treatment
 * Provider Backbone Transport, IEEE 802.1 networking technology
 * Preliminary breath test, with a hand-held breathalyzer
 * Property-based testing, a software testing framework; for example see QuickCheck

Other uses

 * Permian Basin Royalty Trust (NYSE symbol)
 * Profit before tax, a variation of EBIT
 * Progressing Ballet Technique, a form of cross training used for ballet that is uses ballet specific exercises similar to Pilates
 * Pittsburgh Ballet Theatre, a ballet company in Pennsylvania, USA