Hosa

HOSA may mean:


 * HOSA (organization), HOSA—Future Health Professionals (formerly the Health Occupations Students of America)
 * Hydroxylamine-O-sulfonic acid, chemical

Hosa may mean:


 * Hosa Ice Hockey Team
 * Chief Little Raven (c. 1810–1889), also known as "Hosa" (Young Crow), American Indian chief of the Southern Arapaho