Cesário Verde was a 19th-century Portuguese poet. His work, while mostly ignored during his lifetime and not well known outside of the country's borders even today, is generally considered to be amongst the most important in Portuguese poetry and is widely taught in schools. This is partly due to his being championed by many other authors after his death, notably Fernando Pessoa.

Cevat Şakir Kabaağaçlı was a Cretan Turkish writer of novels, short-stories and essays, as well as a keen ethnographer and travel writer.

Cezar Bolliac or Boliac, Boliak was a Wallachian and Romanian radical political figure, amateur archaeologist, journalist and Romantic poet.

Cezar Petrescu was a Romanian journalist, novelist, and children's writer.

Mzechabuk "Chabua" Amirejibi, was a Georgian novelist and Soviet-era dissident notable for his magnum opus, Data Tutashkhia, and a lengthy experience in Soviet prisons.

Chad Harbach is an American writer. An editor at the journal n + 1, he is the author of the 2011 novel The Art of Fielding.

Chade-Meng Tan, known informally as Meng, is an author, philanthropist, motivator, and former software engineer. He was previously employed at Google and greeted celebrities who visited the Google campus. He retired from Google as its "Jolly Good Fellow" at the age of 45. He co-founded the Search Inside Yourself Leadership Institute, along with Marc Lesser, and is co-chair of One Billion Acts of Peace, which was nominated eight times for the Nobel Peace Prize. He is also an adjunct professor at the Lee Kuan Yew School of Public Policy in the National University of Singapore, and a graduate from Nanyang Technological University, Singapore.

Chadraabalyn Lodoidamba (Mongolian: Чадраабалын Лодойдамба; 1917–1970) was a Mongolian writer.

Chaim Grade was one of the leading Yiddish writers of the twentieth century.

Chaïm Perelman was a Belgian philosopher of Polish-Jewish origin. He was among the most important argumentation theorists of the twentieth century. His chief work is the Traité de l'argumentation – la nouvelle rhétorique (1958), with Lucie Olbrechts-Tyteca, translated into English as The New Rhetoric: A Treatise on Argumentation, by John Wilkinson and Purcell Weaver (1969).