Kazys Boruta was a Lithuanian writer, poet and political activist.

Kazys Bradūnas was a Lithuanian émigré poet and editor. He was born in Kiršai, in the Lithuania District of Ober Ost, a territory occupied by the German Empire.

Kealan Patrick Burke is an author. Some of his works include the novels Kin, Currency of Souls, Master of the Moors, and The Hides, the novellas The Turtle Boy and Vessels, and the collections Ravenous Ghosts, The Number 121 to Pennsylvania & Others, Theater Macabre and The Novellas. He has also appeared in a number of publications, including Postscripts, Cemetery Dance, Grave Tales, Shivers II, Shivers III, Shivers IV, Looking Glass, Masques V, Subterranean #1, Evermore, Inhuman, Horror World, Surreal Magazine, and Corpse Blossoms. Burke also edited the anthologies: Taverns of the Dead, Brimstone Turnpike, Quietly Now: A Tribute to Charles L. Grant, the charity anthology Tales from the Gorezone and Night Visions 12.

Keble Howard was the pen name of John Keble Bell. He was an English writer and journalist, who wrote a large number of novels, short stories, sketches and plays, mainly light comic pieces, often depicting suburban life. One contemporary literary commentator described Howard as "a highly successful novelist and a moderately successful playwright".

Kedra Mitrei was an Udmurt writer, poet, publicist, critic and translator.

Kees Fens was a Dutch writer, essayist and literary critic.

Kees van Beijnum is a Dutch writer. He grew up in Amsterdam, where his mother had a bar near the Zeedijk. Before he became a writer, he was a journalist. He made his debut as a novelist in 1991 with Over het IJ, a non-fiction novel about a murder case in Amsterdam.

Cornelis Henricus Maria "Kees" Versteegh is a Dutch academic linguist. He served as a professor of Islamic studies and the Arabic language at Radboud University Nijmegen in the Netherlands until April 2011.

Kei Miller is a Jamaican poet, fiction writer, essayist and blogger. He is also a professor of creative writing.

Keigo Higashino is a Japanese author chiefly known for his mystery novels. He served as the 13th President of Mystery Writers of Japan from 2009 to 2013. Higashino has won major Japanese awards for his books, almost twenty of which have been turned into films and TV series.