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.
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.
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 Caribbean (, locally ) is a region of the Americas 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.
Cathay Pacific Airways Limited (CPA), also known as Cathay Pacific or Cathay, is the flag carrier of Hong Kong, with its head office and main hub located at Hong Kong International Airport.