Kathleen Fidler was a prolific author of over 80 children's books.

Kathleen Fuller is an American writer, specializing in Christian and Amish romantic fiction. She was born in New Orleans, Louisiana, grew up in Little Rock, Arkansas and currently resides in Geneva, Ohio with her husband, James Fuller, and three children.

Kathleen Elizabeth George is an American professor and writer best known for her series of crime novels set in Pittsburgh, Pennsylvania. She teaches theatre arts at the University of Pittsburgh and fiction writing at the Chatham University Low-Residency MFA Program in Creative Writing.

Kathleen Hale OBE was a British artist, illustrator, and children's author. She is best remembered for her series of books about Orlando the Marmalade Cat.

Kathleen Hall Jamieson is an American professor of communication and the director of the Annenberg Public Policy Center at the University of Pennsylvania. She co-founded FactCheck.org, and she is an author, most recently of Cyberwar, in which she argues that Russia very likely helped Donald J. Trump become the U.S. President in 2016.

Kathleen Jamie FRSL is a Scottish poet and essayist. In 2021 she became Scotland's fourth Makar.

Kathleen Karr was an American author of historical novels for children and young adults. She is the winner of the Golden Kite Award for her book, The Boxer.

Kathleen Krull was an author of children's books and a former book editor.

Kathleen L. Lodwick was an American educator and historian of missions to China.

Kathleen MacMahon is an Irish writer and former radio and television journalist who worked with Ireland's national broadcaster, RTÉ She is the author of three novels and numerous short stories.