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.
Carnage is a fictional character, a supervillain appearing in American comic books published by Marvel Comics.
Caitlyn Marie Jenner (born William Bruce Jenner on October 28, 1949) is an American television personality and retired Olympic gold medal-winning decathlete.
The cat (Felis catus, or Felis silvestris catus, literally "woodland cat"), often referred to as the domestic cat to distinguish from other felids and felines, is a small, typically furry, carnivorous mammal.
The Caribbean (, locally ) is a region of North America that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts.
Cambodia ( ( listen); also Kampuchea ; Khmer: កម្ពុជា Khmer: [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.