The Alexis Kelner photograph collection consists of images of the landscape of Alta, Utah while hiking and skiing.

The Kennecott Copper Corporation, Utah Copper Division photograph collection contains photos of mines, expansions, interior and exterior, machinery, and personnel.

Amanda Kumiko Kent (1981-) was the 2003 Miss Rodeo Idaho, the first Japanese American woman to hold this title. This collection contains 3 digital-only images of Kent as Miss Rodeo Idaho 2003, participating in a pole bending competition, and with her horse.

The Dana Kent digital photograph collection consist of various images of skiers and mountain ski areas.

The Elma Oman Klitgaard photograph collection consists images of Klitgaard and her involvement in various clubs.

Stanley Buchholz Kimball (1926 –2003) was a historian of Central European History and the history of The Church of Jesus Christ of Latter-Day Saints. The Stanley Buchholz Kimball photograph collection contains slides and negatives documenting Kimball's life and his research.

The Patricia Maynetta King photograph collection contains black-and-white and color photographs of Utah politicians, University of Utah sports and the Sigma Chi Fraternity, and portraits and candid photographs of King and her family dating from the 1950s to 2000.

The Kings River Pack Trip album collection contains 1 album of photographs of a pack trip in King River County, California, taken by an unnamed group in the 1920s.

The Mitchell H. Kline photograph collection contains a personal portrait and 17 8x10 black and white photographs of the Rare Metals Corporation located in Tuba City, Arizona.

Harold A. Knapp was a scientist, mathematician, and activist who studied the effects of fallout from nuclear testing. The Harold A. Knapp photograph collection contains photographs and slides of images and data related to the effects of nuclear testing on livestock in the American West.

The Albert H. Kneale papers (1880-1943) consists of correspondence, reports, and photos.

Ansel A. Knowlton (1876-1957) was a professor of Physics at the University of Utah from 1909 to 1915. In 1915, Knowlton was one of four University of Utah professors whose contracts were not renewed, sparking a controversy about academic freedom at the U. Knowlton continued his career at Reed College in Oregon, where he taught from 1916 until retiring in 1948. This collection contains one portrait of Knowlton.

The Clark S. Knowlton photograph is a 3x5 black and white image of the Clark S. Knowlton family? The photograph was taken in front of a house, on March 25, 1951.

Albert "Sunny" Korfanta (1915-2009) managed Surveyor's Park (White Pine Ski Resort) in Pinedale, Wyoming, from its opening in 1940. This colleciton contains images of the resort in its first decades of operation as well as images relating to Sunny and Fanny Korfanta's careers in the ski industry and in pharmacy.

The Tom Korologos photograph collection contains images pertaining to Timmons and Company, a group interested in primarily conservative causes and candidates. Additional photos related to the presidency of George H. Bush, Bob Dole's presidential candidacy, and United States politics and international relations.

Eugene Nicholas Kovalenko (1933) studied at the University of California and received his Ph.D. in Materials Science from the University of Utah. This collection contains one color photograph of a symposium organized by Kovalenko and held at the Los Alamos National Laboratory in 1995.

The Peter L. Kraus photograph collection consists of prints from the Library of Congress including maps, interior photos, posters and a photographs of San Fransico. These prints were collected by Kraus over the course of his career as Document Librarian for the J. Willard Marriott Library.

The Arthur and Emma photograph collection contains images primarily related to World War II and Kiel, Germany in the postwar years. Arthur and Emma Krauses were German members of the Church of Jesus Christ of Latter-Day Saints. During World War II, Arthur Krause was a member of the Nazi party and participated in the invasions of Norway, Poland, and Russia.

The KTVX photograph collection contains a collection of official and candid photography surrounding various aspects of KTVX, CBS's arm in Salt Lake City. From Sporting events, news rooms, and advertising copy to KCPX radio, equipment, and signed celebrity photography.

The Beverly Kuhns digital photograph collection consists of 80 digital scans taken from 35mm color transparencies. The original slides were taken by Ruth Pieroth, a retired schoolteacher from Escalante, Utah, during a series of visits to the Glen Canyon damsite from 1957 through about 1962.