Charles Ezra Sprague was an American accountant, born in Nassau, Rensselaer County, New York. He was a proponent of the constructed language Volapük, for which he authored the first major textbook in English, Handbook of Volapük (1888), as well as an early organizer of the accounting profession.

Charles Francis Haanel was an American author, philosopher and a businessman. He is best known for his contributions to the New Thought movement through his book The Master Key System.

Charles Fletcher Johnson was a United States senator from Maine and a United States circuit judge of the United States Court of Appeals for the First Circuit.

Charles Farrar Browne was an American humor writer, better known under his nom de plume, Artemus Ward, which as a character, an illiterate rube with "Yankee common sense", Browne also played in public performances. He is considered to be America's first stand-up comedian. His birth name was Brown but he added the "e" after he became famous.

Charles Yates Fell was a New Zealand barrister, politician, watercolour artist, and photographer.

Charles Felton Pidgin was an American author, statistician, and inventor. He is best known for his 1900 novel Quincy Adams Sawyer, which became successful largely due to a big marketing campaign, and was adapted for the stage and silent film.

Charles Fenno Hoffman was an American author, poet and editor associated with the Knickerbocker Group in New York.

Charles Ferdinand Ramuz was a French-speaking Swiss writer.

Charles Finch is an American author and literary critic. He has written a series of mystery novels set in Victorian era England, as well as literary fiction and numerous essays and book reviews.

Charles Fletcher Dole (1845–1927) was a Unitarian minister, speaker, and writer in the Jamaica Plain section of Boston, Massachusetts, and Chairman of the Association to Abolish War. He authored a substantial number of books on politics, history, and theology.