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
 - Josaline "Josa" Enriquez-Valencia, a character from Abot-Kamay na Pangarap