CA or ca may refer to:
Canada (French: [kanadɑ]) is a country located in the northern part of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering 9.98 million square kilometres (3.85 million square miles), making it the world's second-largest country by total area.
California is a U.S. state in the Pacific Region of the United States. With 39.5 million residents, California is the most populous state in the United States and the third largest by area.
Caitlyn Marie Jenner (born William Bruce Jenner on October 28, 1949) is an American television personality and retired Olympic gold medal-winning decathlete.
The domestic cat (Felis silvestris catus or Felis catus) is a small, typically furry, carnivorous mammal.
Cambodia ( ( listen); Khmer: កម្ពុជា, or Kampuchea: IPA: [kam.pu.ciə], French: Cambodge), officially the Kingdom of Cambodia (Khmer: ព្រះរាជាណាចក្រកម្ពុជា, prĕəh riəciənaacak kampuciə, IPA: [prĕəh riə.ciə.naː.caʔ kam.pu.ciə]; French: Royaume du Cambodge), is a sovereign state located in the southern portion of the Indochina peninsula in Southeast Asia.
Carol Susan Jane Danvers is a fictional superhero appearing in American comic books published by Marvel Comics.
Catherine, Duchess of Cambridge (born Catherine Elizabeth Middleton; 9 January 1982) is a member of the British royal family.