HOS
Template:Sister project HOS may refer to:
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Military
- Croatian Armed Forces (Independent State of Croatia) (Croatian: Script error: No such module "Lang".), active during World War II
- Croatian Defence Forces (Croatian: Script error: No such module "Lang".), the military arm of the Croatian Party of Rights (1991–1993)
Sports
- Croatian Volleyball Federation (Croatian: Script error: No such module "Lang".)
- Head of the Schuylkill Regatta, in Philadelphia, Pennsylvania, United States
Other uses
- Book of Hosea, part of the Hebrew Bible
- Head of state
- Hearts of Space, an American radio program
- Hellenic Ornithological Society
- Heroes of the Storm, a multiplayer online video game
- Higher-order statistics
- Holt–Oram syndrome, an autosomal dominant disorder
- Home Ownership Scheme, Hong Kong
- Hornbeck Offshore Services
- Hours of service, U.S. regulations governing working hours of commercial vehicle operators
- House of Staunton, an American chess equipment manufacturer
- Humanistische Omroep, a Dutch broadcaster
- Saigon Sign Language (ISO 639-3:hos)
- Sikorsky HOS, a helicopter
- Hekscher-Ohlin-Samuelson model, an extension of the Heckscher–Ohlin mathematical model of international trade