English abbreviations from athl to atlas
- athl (athlete)
- ATHS (Air Transportable Hospital System)
- ATI (Artigas International Airport)
- ATIA (Army Training Information Architecture)
- ATIC (Army Tactical Intelligence Concept)
- ATID (Automated Tactical Information Display)
- ATIMP (Army Training Info Management System)
- ATIMS (Airborne Tactical Information Management System)
- ATIPS (Army Threat & Intelligence Production System)
- ATIRCM (Advanced Threat Infra-Red Countermeasures System)
- ATIRS (Automated Test Incident Recording System)
- ATIS (Automated Terminal Information Service)
- Atisbo (a Local Government Area in Nigeria named for constituent communities (Ago-Are, Tede, Irawo, Sabe, Baasi, Ofiki and Owo))
- ATISS (Advanced Technology & Intelligent Systems Solutions)
- ATIWG (ATCCS Interoperability Working Group)
- ATIZ (Artillery Target Information Zone)
- ATJ (Antsirabe Airport)
- ATK (Alliant Techsystems)
- ATK HEL (Attack helicopter)
- ATL (Atlanta, Georgia, the largest city and capital of Georgia)
- ATLAS (Advanced technology light artillery system)