ATL

• Atlanta, the capital and most populous city of the U.S. state of Georgia
• Hartsfield–Jackson Atlanta International Airport (IATA airport code)
• Peachtree station (Amtrak station code)
• Attleborough railway station, in Norfolk, England (National Rail code)

• ATL (film), a 2006 film set in the city of Atlanta, Georgia, United States
• Across the Line (radio show), a BBC Northern Ireland music brand
• ATL (band), an R&B boy band
• Above the Law (group), a Los Angeles–based rap group
• All Time Low, a pop punk band from Lutherville-Timonium, Maryland
• Among the Living, an album by heavy metal band Anthrax

• Advanced Tactical Laser, a US military program to mount a laser weapon on an aircraft for use against ground targets
• Americans for Technology Leadership, an organization that advocates limited government regulation of technology
• Active Template Library, from Microsoft
• ATLAS Transformation Language, a QVT model transformation language for model-driven engineering
• A retired US Navy hull classification symbol: Atlantic tank landing ship (ATL)

• Adult T-cell leukemia, a rare cancer of the immune system's own T-cells
• Air Atlantic, ICAO code ATL
• Alternating-time Temporal Logic, a branching-time temporal logic that naturally describes computations of multi-agent system and multiplayer games
• ATL (Amperex Technology Limited), a Chinese battery manufacturing company
• Anti-Terrorism Law, a law that aims to prevent, prohibit, and penalize terrorism in the Philippines
• The Appropriate Technology Library, a library on 29 subject areas of small scale, do-it-yourself technology
• Association of Teachers and Lecturers, an education union in the UK
• Atlanta, Georgia's major professional sports teams:
• Atlanta Braves, the city's Major League Baseball team
• Atlanta Falcons, the city's National Football League team
• Atlanta Hawks, the city's National Basketball Association team
• Atlanta United FC, a Major League Soccer team
• Avion Très Léger or Robin ATL, a light aircraft manufactured by Avions Pierre Robin
• The ATL proposed rebrand of Metropolitan Atlanta Rapid Transit Authority (MARTA)
• Azienda Trasporti Livornese, former Livorno bus transport company

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• {{in title|plural=yes}}
• {{lookfrom|Atl}}
• {{lookfrom}}
• Above the line (disambiguation)
• alt.* hierarchy
• Atlantic
• Atlantis
• Atlas
• Atlatl
• Dr. Atl (1875–1964), Mexican painter and writer
• ATLS (disambiguation)
• TL (disambiguation)
• at1 (disambiguation)
• ati (disambiguation)

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