HOSA may mean:
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HOSA (organization), HOSA-Future Health Professionals (formerly the Health Occupations Students of America)
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Hydroxylamine-''O''-sulfonic acid, chemical
Hosa may mean:
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Hosa Ice Hockey Team
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Chief Little Raven
Little Raven, also known as Hosa (Young Crow), (born — died 1889) was from about 1855 until his death in 1889 a principal chief of the Southern Arapaho Indians. He negotiated peace between the Southern Arapaho and Cheyenne and the Comanche, Ki ...
(c. 1810–1889), also known as "Hosa" (Young Crow), American Indian chief of the Southern Arapaho
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