Charles Hoy Fort was an American writer and researcher who specialized in anomalous phenomena. The terms "Fortean" and "Forteana" are sometimes used to characterize various such phenomena. Fort's books sold well and are still in print. His work continues to inspire admirers, who refer to themselves as "Forteans", and has influenced some aspects of science fiction.

Charles Foster Kent was an American Old Testament scholar.

Rev. Charles Franklin Thwing was an American clergyman and educator.

Charles Frederic Goss was an American clergyman and author. His 1900 novel The Redemption of David Corson was a best selling book of that year. He also edited and partly authored a series of volumes on the history of Cincinnati.

Charles Frederick Holder (1851–1915) was an American naturalist, conservationist, and writer who produced over 40 books and thousands of articles. Known as a pioneer of big-game fishing, he founded and led the Tuna Club of Avalon, credited as the first game fishing organization. He was socially active in Pasadena, California, where he was a trustee of Throop College and co-founder of the Tournament of Roses.

Charles Garvice was a prolific British writer of over 150 romance novels, who also used the female pseudonym Caroline Hart. He was a popular author in the UK, the United States and translated around the world. He was ‘the most successful novelist in England’, according to Arnold Bennett in 1910. He published novels selling over seven million copies worldwide by 1914, and since 1913 he was selling 1.75 million books annually, a pace which he maintained at least until his death. Despite his enormous success, he was poorly received by literary critics, and is almost forgotten today.

Charles Godfrey Leland was an American humorist and folklorist, born in Philadelphia, Pennsylvania. He was educated at Princeton University and in Europe.

Charles Gore was a Church of England bishop, first of Worcester, then Birmingham, and finally of Oxford. He was one of the most influential Anglican theologians of the 19th century, helping reconcile the church to some aspects of biblical criticism and scientific discovery, while remaining Catholic in his interpretation of the faith and sacraments. Also known for his social action, Gore became an Anglican bishop and founded the monastic Community of the Resurrection as well as co-founded the Christian Social Union. He was the chaplain to Queen Victoria and King Edward VII.

Charles Heavysege was a Canadian poet and dramatist. He was one of the earliest poets to publish in Canada. He is known for his critically acclaimed play Saul.

Charles Heber Clark was an American novelist and humorist. Most of his work was written under the pen name Max Adeler. Clark was also known by the pseudonym, John Quill.