Cal

• Chronic Obstructive Pulmonary Disease, ie, CAL = Chronic Airway Limitation
• cal (Unix), a standard program on Unix that prints an ASCII calendar of the given month or year
• Cal (novel), a 1983 novel by Bernard MacLaverty, about a young Irish Catholic named Cal involved with the IRA
• Cal (short story), a science fiction short story by Isaac Asimov
• Cal (film), a 1984 film based on a novel written by Bernard MacLaverty who also wrote the script
• Çal, a district (and town as its center) in Denizli Province in southwest Turkey (''Turkish spelling: Çal) renowned for its Çalkarası grapes and wines.
• Cal (Music from), Mark Knopfler's soundtrack album for the 1984 film
• caliber, a measurement of the interior diameter of a tube, often in reference to rifles or pistols
• Cal, an abbreviation for California, USA
• Cal Look, any aircooled Volkwagen that has been modified in a style that originated in California in the late 1960's
• Cal Yachts, originally the Jensen Marine Corporation, founded in 1957
• Medi-Cal, the name of the Medicaid program in the State of California
• University of California, Berkeley, nicknamed Cal, the oldest and flagship campus of the ten-campus University of California system
• Cal Band, the marching band for the University of California, Berkeley
• California Polytechnic State University, located adjacent to San Luis Obispo, commonly known as Cal Poly or Cal Poly SLO.
• California State Polytechnic University, Pomona located in Pomona, commonly known as Cal Poly Pomona.
• CalPERS, state employee retirement system
• calorie, unit of energy
• Calcium hydroxide, used in Native American and Latin American
• Cal, the abbreviation for the orchid genus Calanthe

CAL may refer to:

• Café au lait spot, a pigmented birthmark
• Cakewalk Application Language, (CAL), a scripting language used with Cakewalk Pro Audio software
• Compute Abstraction Layer (CAL), a part of AMD's stream computing SDK
• CAL Cargo Air Lines, a cargo airline based in Israel
• CAL (Joss family), programming language
• CAL (Quark Framework), programming language
• Calipatria State Prison in California, USA
• Campbeltown Airport, IATA airport code
• Cape-Atlantic League, a high school athletic conference in New Jersey
• Capital Allocation Line
• Center for Applied Linguistics, a nonprofit organization that researches language and culture
• Center for Army Leadership, a subordinate organization of the U.S. Army Combined Arms Center
• China Airlines, ICAO airline code
• Client Access License, operating systems and software licence scheme
• Continental Airlines, NYSE symbol: CAL
• Cyberathlete Amateur League, online electronic sports league
• FN CAL, a Belgian assault rifle made by FN
• Electronic learning, also called "computer-assisted learning"
• A word used in the Doctor Who episodes Silence in the library and Forest of the dead.

Other

• 40 Cal., a rapper from Harlem, born Calvin Alan Byrd New York City
• Judge Cal, a fictional character in the Judge Dredd comic strip in 2000 AD

See also

• Calvin
• Cal Air (1985-1988), an airline based in the United Kingdom, began as the charter arm of British Caledonian and latterly managed by Caledonian Leisure