CFL

CFL may refer to the following:

In football:

* Canadian Football League, a professional sports league located in Canada that plays Canadian football.
* Calcutta Football League, the football league where several football clubs of the Indian town of Kolkata participate
* Continental Football League, an American football league played in North America from 1965 through 1969

In linguistics:

* Commission on the Filipino Language, the official regulating body of the Filipino language
* Context-free language, a formal language that is a member of the set of languages defined by context-free grammars

In politics:

* Campaign for Liberty, an organization dedicated to the principles of freedom and liberty founded by Congressman Ron Paul
* Connecticut for Lieberman, the Connecticut political party created by twenty-five supporters of Senator Joe Lieberman
* Council of Four Lands, the central body of Jewish authority in Poland from 1580 to 1764

In science and technology:

* Color-flavor locking, a special type of color superconductivity that is predicted to occur in very dense matter.
* Compact fluorescent lamp/compact fluorescent light bulb, a type of fluorescent lamp that fits into a standard light bulb socket or plugs into a small lighting fixture
* Compressed File Library, a virtual file system for programs

In trade unionism:

* Ceylon Federation of Labour, an organisation bringing together trade unions in the private, semi-government and co-operative sectors of Sri Lanka
* Chicago Federation of Labor, the central labor body for over 300 Chicago area unions affiliated with the AFL-CIO
* Chinese Federation of Labour, a national trade union center in Taiwan

In other fields:

* Chemins de Fer Luxembourgeois, the national railway company of Luxembourg
* Courant–Friedrichs–Lewy condition, a condition for certain algorithms for solving partial differential equations to be convergent