Josa (disambiguation)

JOSA refers to the Journal of the Optical Society of America.

Josa is a municipality in Aragon, Spain.

Josa may also refer to:
 * Josa de Cadí, a village in Josa i Tuixén, Catalonia, Spain
 * Josa, a genus of spiders in the family Anyphaenidae
 * a personal name:
 * Mirel Josa (born 1963), Albanian football player and coach
 * Josa Lee (1911–1967), Irish hurler