CPL or Cpl may refer to:
CPL Resources Plc. is a resourcing/placement company based in Dublin, Ireland and active on several markets in Europe but still mainly focused on the home-market Ireland.
Complexin-1 is a protein that in humans is encoded by the CPLX1 gene.
IBM ILOG CPLEX Optimization Studio (often informally referred to simply as CPLEX) is an optimization software package.
Complexin-2 is a protein that in humans is encoded by the CPLX2 gene.
CPL (from Combined Programming Language and Cambridge Programming Language before that) is a multi-paradigm programming language, that was developed in the early 1960s.
The CPLP Games (Portuguese: Jogos da CPLP) is a multinational multi-sport event organized by the Community of Portuguese Language Countries (CPLP), which involves athletes coming from Lusophone (Portuguese-speaking) countries that are less than 16 years old.
The CPL Gang was a group of comic book enthusiasts who published a number of fanzines in the mid-1970s, including Contemporary Pictorial Literature (CPL) and Charlton Bullseye.
CPL Aromas is a British fragrance company founded in December 1971,with headquarters in Bishop's Stortford, England.
C++ (pronounced cee plus plus, /ˈsiː plʌs plʌs/) is a general-purpose programming language. It has imperative, object-oriented and generic programming features, while also providing facilities for low-level memory manipulation.