OHP

OHP may refer to:


 * Haute-Provence Observatory, an astronomical observatory in the southeast of France
 * Occupational health psychology, an interdisciplinary area of psychology that is concerned with the health and safety of workers
 * Oklahoma Highway Patrol, a major state law enforcement agency of the government of Oklahoma
 * Open House Party, an American radio show hosted on Saturday and Sunday nights by Kannon
 * Open Humanities Press, an international open access publishing initiative in the humanities
 * Order of the Holy Paraclete, an Anglican religious community
 * Oregon Health Plan, Oregon's state Medicaid program
 * Overall hemostatic potential, a global test of coagulation and fibrinolysis
 * Overhead press, a weight training exercise with many variations
 * Overhead projector, a device that uses light to project an enlarged image on a screen
 * Oliver Hazard Perry-class Frigate, a class of guided missile frigates that were designed by US in mid-70s.
 * Overhead Pole, an above ground pole used to support span wires for a tram network.