Office Compatibility Pack - software for Microsoft OfficeOpen/closed principleOpen Core ProtocolOpen Core Protocol International Partnership Association (OCP-IP)Oracle Certified Professional - a designation of the Oracle Certification ProgramOrder code processor - The ICL 2900, ICL 3900 and above term for "CPU"Overcurrent protection
Organizations
Office Chérifien des Phosphates - national Moroccan phosphates companyOmni Consumer Products - fictional megacorporation in the RoboCop moviesOmni Consumer Products - manufacturer of products based on fictional movie itemsOregon Catholic PressOrganisation Consulting Partnership - the London, UK-based management consultancyOnchocerciasis Control Programme (OCP), a global effort to control the disease.Ontario College of Pharmacists.Open Connectome Project
Archaeology
Ochre Coloured Pottery culture - Bronze Age culture in the Yamuna-Ganga region of India characterized by ochre colored pottery
Urban Planning
Official Community Plan, a document for municipalities and cities that sets out goals for the city and creates a corresponding development plan
Demographics and birth control
One-child policy, practices to reduce population growth in the People's Republic of ChinaOral contraceptive pill - compare combined oral contraceptive pill (COCP)
Electric circuits and electronics
Open circuit potential, in electrochemistry, an electric potential measured at zero net currentOvercurrent protection
Church
Ordained Clergy Person, a clergy person ordained to officiate ceremonies
Culture and civilization
Outside Context Problem, a concept in Iain M. Banks' The Culture novels
Linguistics
Obligatory Contour Principle, a phonological hypothesis concerning consecutive identical features
Marketing
Onsite Comparative Pricing, comparative pricing technique in internet marketing
Military
Operation Enduring Freedom Camouflage Pattern, U.S. military
