Walter Norris Kirn (born August 3, 1962)^[1] is an American novelist, literary critic, and essayist. He is the author of eight books, most notably Up in the Air, which was made into a film of the same name starring George Clooney.

Kirn graduated with an A.B. in English from Princeton University in 1983 after completing a 22-page-long senior thesis entitled "Entangling Breaths (Poems)."^[2] Following that, he obtained a second undergraduate degree in English Literature at Oxford University, where he was a Keasbey Memorial Foundation Scholar.^[3]

Kirn has published a collection of short stories and several novels. These include Thumbsucker (1999), which was made into a 2005 film featuring Keanu Reeves and Vince Vaughn. Kirn's 2001 novel, Up in the Air, has been characterized as a literary chronotope relating to the genre of road narratives.^[4] It was made into a 2009 film directed by Jason Reitman. The film adaptation of Up In The Air, which starred George Clooney and Anna Kendrick, was a commercial success and went on to receive critical acclaim as well as numerous nominations and awards.

In 2005, Kirn took over blogger Andrew Sullivan's publication while Sullivan was on vacation. He also wrote The Unbinding, an Internet-only novel that was published in Slate magazine.^[5]

Kirn's 2013 work, Blood Will Out, is a personalized account of his relationship with the convicted murderer and imposter Clark Rockefeller.

He has also reviewed books for New York Magazine and has written for The New York Times Book Review, New York Times Sunday Magazine, The Atlantic and Spy, and is a contributing editor of Time, where he has received popularity for his entertaining and sometimes humorous first-person essays among other articles of interest. He also served as an American cultural correspondent for the BBC.

In 2023, Kirn and David Samuels launched County Highway, a magazine about America in the form of a nineteenth-century newspaper, and as America's only newspaper. Donald Rosenfeld is the publisher.

In addition to teaching nonfiction writing at the University of Montana, Kirn was the 2008–09 Vare Nonfiction Writer in Residence at the University of Chicago.^[6]

Kirn appears on the weekly podcast, America This Week with Matt Taibbi. He is a weekly regular panelist on Gutfeld!.

Kirn was born in Akron, Ohio, but grew up in Marine on St. Croix, Minnesota. After high school, he attended Macalester College for one year before transferring to Princeton University.^[7] Kirn's family joined the Church of Jesus Christ of Latter-day Saints when he was twelve, but Kirn is no longer affiliated with the church.^[8] In 1995, Kirn married Maggie McGuane, daughter of actress Margot Kidder and novelist Thomas McGuane. Kirn was 32 at the time; McGuane was 19.^[9] The couple had two children but have since divorced.^[10] Kirn is now married to magazine writer Amanda Fortini. The two split their time between Livingston, Montana and Las Vegas, Nevada.

This list is incomplete; you can help by adding missing items. (June 2017)

• My Hard Bargain: Stories (1990)^[11]
• She Needed Me (1992)
• Thumbsucker (1999)
• Up in the Air (2001)
• Mission to America (2005)
• The Unbinding (2006)
• Lost in the Meritocracy: The Undereducation of an Overachiever (2009)
• Blood Will Out (2013)

• Thumbsucker (2005)
• Up in the Air (2009)