CA or ca may refer to:
Canada is a country 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 state in the Pacific Region of the United States. With 39.6 million residents across a total area of about 163,696 square miles (423,970 km2), California is the most populous U.S.
Caitlyn Marie Jenner (born William Bruce Jenner; October 28, 1949) is an American television personality and retired Olympic gold medal–winning decathlete.
Camilla, Duchess of Cornwall, (born Camilla Rosemary Shand, later Parker Bowles; 17 July 1947) is a member of the British royal family.
Catherine II (Russian: Екатери́на Алексе́евна, romanized: Yekaterina Alekseyevna; 2 May [O.S. 21 April] 1729 – 17 November [O.S.
Cambodia ( (listen); also Kampuchea ; Khmer: កម្ពុជា [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 country located in the southern portion of the Indochina peninsula in Southeast Asia.
The cat (Felis catus) is a small carnivorous mammal. It is the only domesticated species in the family Felidae and often referred to as the domestic cat to distinguish it from wild members of the family.
Catherine, Duchess of Cambridge, (born Catherine Elizabeth Middleton; 9 January 1982) is a member of the British royal family.