PEK

PEK may refer to:


 * IATA code for Beijing Capital International Airport
 * Polyetherketones, an engineering plastic
 * Pomeranian Evangelical Church (Pommersche Evangelische Kirche), a Protestant church in Mecklenburg-Western Pomerania, Germany
 * Program for Evaluating Complementary Medicine, the English translation of Programme Evaluation Komplementärmedizin (PEK)
 * Phantom Evil King, a boss in the video game Okage