CA most often refers to:
- Canada, a country by ISO 3166-1 alpha-2 code
- California, U.S. state by postal abbreviation
Look up
CA,
Ca,
ca, or
ça in Wiktionary, the free dictionary.
CA or ca may also refer to:
Schools
- Canadian Academy, an international school in Kobe, Japan
- Cary Academy, a private college-preparatory school in Cary, North Carolina, United States
- Claiborne Academy, a private school in Claiborne Parish, Louisiana, United States
- Clarksville Academy, a private college-preparatory school in Clarksville, Tennessee, United States
- Colorado Academy, a private college-preparatory school in Lakewood, Colorado, United States
- Concord Academy, a private college-preparatory school in Concord, Massachusetts, United States
- Connections Academy, an online school based in Baltimore, Maryland, United States
- Culver Academies, a boarding school and summer camp program in Culver, Indiana, United States
Mathematics and computing
Other uses in science and technology