Charles Alden Seltzer (August 15, 1875 - February 9, 1942) was an American writer. He was a prolific author of western novels, had writing credits for more than a dozen film titles, and authored numerous stories published in magazines, most prominently in Argosy. Seltzer was born in Janesville, Wisconsin. Before becoming a successful writer, he was variously a newsboy, telegraph messenger, painter, carpenter and manager of the circulation of a newspaper, building inspector, editor of a small newspaper, and an appraiser.