CA

The term **CA** commonly means:
* Californie, a U.S. state
* Canadae, a naition on the North American continent
* Chartered Accoontant
* Compressed Air, sic as "CA Pipin"
* Certificate Authority
* Cyanoacrylate, a chemical compoond
: See numerous ether uises belaich, bi category.
The term **ca** commonly means (mair belaich):
* circa, ca. or c., meanin *approximately*
* .ca, Internet kintra code for Canadae
The term **Ca** commonly means:
* Calcium, as a seembol for the chemical element (Ca)
The term **cA** commonly means:
* Centiampere, an SI unit o electric current (cA)

## Fowk
*Caesar Augustus, first Roman Emperor
*Carmelo Anthony, Naitional Basketbaw Association player
*Christina Aguilera, sangster an sangwriter
*Clay Aiken, sangster frae *American Idol*

## Organizations
### Companies
*Air Cheenae, IATA airline designator (CA)
*CA Technologies, formerly kent as Computer Associates
*C&A stores
*Cayman Airways, airline
*Channel Americae, a defunct US televeesion network
*Classic Airmy, a Hong Kong based manufacturer o airsoft replicas
*Continental Airlines, airline
*Creative Assembly, PC Gemme Developer
*Crédit Agricole, major French bank
*Cyber Acoustics, audio equipment

### Ether

*Cricket Australie
*Bureau o Consular Affairs, a diveesion o the US Department o State
*Californie Angels, umwhile name o a professional basebaw team currently kent as Los Angeles Angels o Anaheim
*Canadian Alliance, a umwhile Canadian poleetical pairty
*Citizens' Alliance, a poleetical pairty in Trinidad an Tobago
*Cocaine Anonymous
*Conscientious Arsonists, Greek terrorist organisation
*Countryside Alliance, UK
*Crédit Agricole
*Cruising Association
*Cycling Australie

## Eddication
*Canadian Academy, an internaitional schuil in Kobe, Japan
*Cary Academy, a North Carolina schuil
*Claiborne Academy
*Clarksville Academy, a private college-preparatory schuil
*Colorado Academy, a private college-preparatory schuil wi k-12 eddication
*Connections Academy
*The Culver Academies (Culver Militar Academy / Culver Girls Academy), a boardin schuil an simmer camp program

## Places
*Cả River, a river in Laos an Vietnam
*Cagliari, caipital o the island o Sardinia, Italy (CA)
*Californie (Unitit States postal abbreviations)
*Canadae
** ISO 3166-1 alpha-2, FIPS Pub 10-4 an obsolete NATO digram (CA)
** .ca is the kintra code tap level domain for Canadae
*Carlisle, the Unitit Kinrick postcode for the region in north-wastren Ingland served bi the Carlisle postal sortin office
*Catamarca Province, in Argentinae
*Central Americae
*Province o Cádiz in Spain.

## Science an medicine
*Calcium, seembol for the chemical element (Ca)
*Lift coefficient (c_\mathrm a\, , c_\mathrm l\, or \!\ c_\mathrm z)
*Cancer
** Carcinoma
*Carbonic anhydrase
*Cardiac arrest
*Catecholamine
*Cellular automaton
*Chemical Abstracts, an index o the scienteefic literature in chemistry an relatit fields, supplemented bi abstracts
*Chromatic aberration, observed in photographic images when a lens fails tae focus aw colours tae the same convergence pynt
*Conversation Analysis, the study o talk in interaction
**[[Cornu ammonis]]*, names o hippocampal subregions
*Cyclophosphamide an Adriamycin, a chemotherapy regimen uised tae treat breast cancer
*Coronary Artery

## Technology
*CA (submarine) A Warld war twa Italian midget submarine design
*Armored cruiser, U.S. Navy hull classification seembol, pre 1930 (CA)
*Cellulose acetate, a teep o plastic.
*Centiampere, an SI unit o electric current (cA)
*Certificate authority (or Certification Authority) (CA)
*Chromatic aberration, a distortion in optical lenses
*Compressed Air, sic as *"CA Piping"* or *"CA System"* etc.
*Computer Animation (CA)
*Conditional access, Conditional Access (Broadcast)
*Conservation Agriculture
*Controlled atmosphere
*Cranking amperes, a measurement on an automotive battery
*Cultural algorithm (CA)
*Cyanoacrylate, superglue
*Heavy cruiser, U.S. Navy hull classification seembol (CA)

## Ether
*The law o Comparative Advantage
*Catalan leid, ISO 639 alpha-2 leid code (ca)
*Central Admeenistration
*Certified archivist, a teep o archivist in the Unitit States
*Chartered accountant (CA)
*Chief o Airmy (Australie)
*Christian anarchism, or an adherent o Christian anarchism
*Ceevil Affairs, the offeecial name for militar units that conduct ceevil-militar operations
*Class A (disambiguation)
*Combat Arms, a popular first-person shuiter
*Confidentiality Agreement
*Copa América‚ an association fitbaa tournament
*CA are the first twa letters on the license plates o vehicles registered in the Ceety o Cape Toun
* CA, Casio's mobile phones in Japan
* CA, abbreviation for Chief Adjudicator in debating.