TLA may refer to: Organisations 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 Entertainment 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, a Nickelodeon cartoon that aired from 2005 to 2008. Places Tlaxcala (ISO 3166-2:MX code MX-TLA), a Mexican state Science and technology 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 Transport Teller Airport (IATA code), Alaska, US Other uses Three-letter acronym or abbreviation Teaching & Learning Academy, an English teacher training programme Southwestern Tepehuán language (ISO 639-3 code), from North-Western Mexico See also TLA+, a formal specification language written in Java