TPL

TPL may refer to:

Biology and chemistry

• Thromboplastin
• Time-Place learning

Companies and organizations

• Tallinn French School (Estonian: 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• Table Producing Language, an IBM mainframe computer program, superseded by TPL Tables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