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Look up Atos in Wiktionary, the free dictionary.
Atos is a French multinational technology company headquartered in Bezons, France.
Atos may also refer to:
- American Theatre Organ Society
- ATOS (Autonomous Decentralized Transport Operation Control System), a computerized control system for train traffic
- Hyundai Atos, a city car produced by the Hyundai Motor Company
- Atos Wirtanen (1906–1979), Ålandic-born former member of the Finnish parliament
- A-I-R Atos, a range of rigid-wings made by A-I-R
- Atos Jiu-Jitsu, a Brazilian jiu-jitsu academy and competition team