TSL

TSL may refer to:

Business

 * Trina Solar Limited, a Chinese solar power company traded on the New York Stock Exchange under the ticker "TSL"
 * Technology Sales Leads, multinational company providing outsourced sales and marketing
 * The Software Link, a defunct software company
 * TSL Limited, a Zimbabwean company
 * Transformer Specialties Ltd (TSL), a New Zealand manufacturer

Games and sports

 * The Spring League, a developmental American football organization
 * The Silver Lining (video game), a 2010 fan-created game based on the Kings Quest series
 * Star Wars: Knights of the Old Republic II The Sith Lords, a video game
 * Teen Second Life, a version of Second Life reserved for teenagers
 * Tasmanian State League, the premier Australian rules football competition in Tasmania, a state of Australia
 * Turkish Süper Lig, the top-flight league in Turkish nationwide football
 * Team Liquid Starleague professional gaming tournament for Starcraft 2 by Team Liquid

Language

 * Taiwanese Sign Language, used in Taiwan
 * Trisyllabic laxing, a process in English whereby long vowels become short
 * Turkish Sign Language, used in Turkey

Media

 * The Simple Life, a TV series featuring Paris Hilton and Nicole Richie
 * The Suite Life on Deck, a spinoff from The Suite Life of Zack & Cody
 * The Suite Life of Zack & Cody, an American sitcom
 * This Spartan Life, a machinima talk show
 * This Sporting Life, an Australian radio comedy show
 * The Space Lady, a US singer, musician and composer in the genres of synth pop, psychedelic pop and outsider music
 * Time spent listening, one of the measurements surveyed by Arbitron in determining ratings for radio stations in the U.S.
 * The Starting Line, a pop-punk band from the Philadelphia, Pennsylvania area
 * The Student Life, a student newspaper publication at the Claremont Colleges in Claremont, California

Technology

 * Test-and-set, an atomic operation used for computer program synchronization
 * Transmitter/studio link, sends telemetry data from the remotely located transmitter back to the studio for monitoring purposes

Transport

 * Thomson MRT line in Singapore
 * Tin Shui Wai stop in Hong Kong (MTR station code)

Other uses

 * Trinity Sergius Laura, not far from Moscow, Russia
 * TSL color space based on tint, saturation, and luminance