OCA

Look up OCA or oca in Wiktionary, the free dictionary.

The Oca (Oxalis tuberosa), is a starchy, edible tuber, grown in South America.

OCA or Oca may also refer to:

Business and politics

Open Content Alliance, consortium of organizations contributing to a publicly accessible archive of digitized texts
Optimum currency area, geographical region which efficiently shares a single currency
Oregon Citizens Alliance, conservative Christian political activist organization
Organic Consumers Association, consumer protection and organic agriculture advocacy group
Organization of Chinese Americans, national Asian Pacific American social and civic organization
Oxford Conservative Association, student political organisation at the University of Oxford

Office of Consumer Affairs (Canada), government agency of Industry Canada
Olympic Council of Asia, governing body of sports in Asia
Court of Appeal for Ontario, frequently referred to as the Ontario Court of Appeal or OCA
Organised and Financial Crime Agency of New Zealand, formerly known as the Organised Crime Agency
Organized Crime Agency of British Columbia (1999-2004), predecessor of the Combined Forces Special Enforcement Unit
Outback Communities Authority, an authority providing municipal services to communities in Outback South Australia

The Orthodox Church in America
Oxford Capacity Analysis, also known as the American Personality Analysis, a personality test used in Scientology
See of Oca, in the Roman Catholic Archdiocese of Burgos

Côte d'Azur Observatory, French name: Observatoire de la Côte d'Azur
Oakland Charter Academy, a member school of Amethod Public Schools
Oca (river), a tributary of the Ebro, Spain, having its source in the comarca of Montes de Oca
Offensive counter air, military term
Old Croton Aqueduct, especially when referring to the hiking trail
Open College of the Arts
Open coloring axiom in mathematics
Operation Crossroads Africa, a volunteer organization
Oregon Coast Aquarium