TPL

TPL may refer to:

Biology and chemistry

 * Thromboplastin
 * Time-Place learning

Companies and organizations

 * Tallinn French School (Tallinna Prantsuse Lütseum)
 * Terumo Penpol, a subsidiary of Terumo Corp., Japan
 * Texas Pacific Land Trust
 * The Trust for Public Land
 * Toronto Public Library
 * Touch Paper Lane, a gang located in North London, Great Britain

Computers

 * Table Producing Language, an IBM mainframe computer program, superseded by TPL Tables
 * TPL Tables, commercial product that supersedes Table Producing Language
 * Targeted peripheral list, part of USB On-The-Go
 * Task Parallel Library, a component of the managed Parallel FX Library from Microsoft
 * Temporal Process Language

Transportation and logistics

 * Trasporti Pubblici Luganesi, the public (bus) transportation system in Lugano, Switzerland
 * Third-party logistics
 * Towed pinger locator, used in underwater search for missing aircraft

Other uses

 * Transmission-line pulse
 * Third party liability (disambiguation)
 * Third-party logistics, use of third-party businesses to outsource elements of a company's distribution, warehousing, and fulfillment services