Ch

CH, Ch, cH, or ch may refer to:

China, officially the People's Republic of China (PRC), is a unitary sovereign state in East Asia and the world's most populous country, with a population of over 1.381 billion.

Chicago ( or ), officially the City of Chicago, is the third-most populous city in the United States. With over 2.7 million residents, it is also the most populous city in both the state of Illinois and the Midwestern United States.

Charles Robert Darwin, FRS FRGS FLS FZS (; 12 February 1809 – 19 April 1882) was an English naturalist, geologist and biologist, best known for his contributions to the science of evolution.

Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus Christ, who serves as the focal point for the religion.

Charles, Prince of Wales (Charles Philip Arthur George; born 14 November 1948) is the eldest child and heir apparent of Queen Elizabeth II.

Christopher Columbus (c. 1451 – 20 May 1506) was an Italian explorer, navigator, and colonizer. Born in the Republic of Genoa, under the auspices of the Catholic Monarchs of Spain he completed four voyages across the Atlantic Ocean.

Ernesto "Che" Guevara (Spanish pronunciation: [ˈtʃe ɣeˈβaɾa] June 14, 1928 – October 9, 1967) was an Argentine Marxist revolutionary, physician, author, guerrilla leader, diplomat, and military theorist.

Chinese (汉语/漢語; Hànyǔ or 中文; Zhōngwén) is a group of related, but in many cases mutually unintelligible, language varieties, forming a branch of the Sino-Tibetan language family.