PCL
The three letter abbreviation PCL may refer to:
Aviation
Organizations
- Pacific Coast League, a Class Triple-A league in minor league baseball
- Pacific Coast Professional Football League, the shortened name of the Pacific Coast Professional Football League, an American football league, 1940–1948
- Workers' Communist Party (Italy) (PCL, Workers' Communist Party), an Italian political party established in 2006
- Portage County League, a high school sports league in northeastern Ohio, now called the Portage Trail Conference
- Philadelphia Catholic League, a Catholic high school sports league in Philadelphia and surrounding suburbs
- PCL Construction, a general contracting organization in Canada and the United States
Places
Science and technology
- Passive Coherent Location, or passive radar, a radar system exploiting commercial broadcast signals
- Phosphorus pentachloride or Phosphorus trichloride
- Plasma cell leukemia
- Polycaprolactone, a biodegradable polyester
- Posterior cruciate ligament, one of four major ligaments of the knee
- Practical Common Lisp, a book by Peter Seibel on the Common Lisp computer programming language
- Printer Command Language, a printer language from Hewlett-Packard for their printers
- Hare Psychopathy Checklist (PCL-R), a list of psychopathy diagnostic criteria
- The Penguin Client Library, an open source PHP client library to assist with development of 3rd party clients for the MMORPG Club Penguin
- Program Control Language, an interpreted programming language used by the Presentation software package
- Point Cloud Library, an open source project for 3D point cloud data processing
Other