Osa

Osa or OSA may refer to:

==Places== Osa Peninsula, in Costa Rica Osa (canton), in the province of Puntarenas in Costa Rica Osa Conservation Area, an administrative area in Costa Rica Osa, India, a village in Allahabad, India Osa, Iran, a village in Mazandaran Province, Iran Osa, Warmian-Masurian Voivodeship, north Poland Osa, a minor tributary of the Vistula, Poland Osa, Norway, a village in Ulvik municipality, Vestland county, Norway Osa, Russia, the name of several inhabited localities in Russia Osa, Missouri, a community in the United States Old Scona Academic High School, a school in Edmonton, Canada Oakland School for the Arts