Kirsopp Lake was an English New Testament scholar, Church historian, Greek Palaeographer, and Winn Professor of Ecclesiastical History at Harvard Divinity School.

Knut Hamsun was a Norwegian writer who was awarded the Nobel Prize in Literature in 1920. Hamsun's work spans more than 70 years and shows variation with regard to consciousness, subject, perspective and environment. He published more than 20 novels, a collection of poetry, some short stories and plays, a travelogue, works of non-fiction and some essays.

Konrad Bercovici (1882–1961) was a Romanian-American writer.

Kris Ottman Neville was an American science fiction writer from California.

Kristína Royová was a Slovak Protestant activist, thinker, revivalist, novelist and poet.

Kurt Vonnegut was an American writer and humorist known for his satirical and darkly humorous novels. In a career spanning over 50 years, he published fourteen novels, three short-story collections, five plays, and five nonfiction works; further collections have been published after his death.