TLA

• Tennessee Library Association, a professional organization for librarians in Tennessee
• Texas Library Association, a professional organization for librarians in Texas
• Tour de las Américas, a professional golf tour in Latin America
• The Littlehampton Academy, a school in Sussex, England

• Theatre of Living Arts, a music venue in Philadelphia, Pennsylvania. US
• TLA Entertainment Group, a movie retailer and distributor spinoff from the former
• TLA Releasing, its film distribution division
• Avatar: The Last Airbender, an animated TV series that aired on Nickelodeon from 2005 to 2008

• Teller Airport (IATA code), Alaska, US
• Tlaxcala (ISO 3166-2:MX code MX-TLA), a Mexican state

• Temporal light artefacts, undesired visual effects caused by light modulations
• Temporal logic of actions, a logic used to describe behaviours of concurrent systems
• Top-level await, an async/await language feature for JavaScript
• Tom Lord's Arch, a revision control system now known as GNU arch

• Three-letter acronym or abbreviation
• Teaching & Learning Academy, an English teacher training programme
• Southwestern Tepehuán language (ISO 639-3 code), from North-Western Mexico

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• TLA+, a formal specification language written in Java
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• T1A (disambiguation)
• TIA (disambiguation)

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