Osca

Osca or OSCA may refer to:
 * O.S.C.A., a brand of Italian racing cars and sports cars
 * Oberlin Student Cooperative Association, a non-profit student cooperative at Oberlin College
 * Huesca or Osca, a city in Spain
 * Huéscar, Granada or Osca, a municipality in Spain
 * Osca (fly), a genus of horse-fly
 * "OSCA" (song), by Japanese band Tokyo Jihen, from the album Variety (2007)
 * Office of Strategic Crime Assessments, former Australian government agency, precursor to Australian Criminal Intelligence Commission