If you have information regarding the death of an alumni, faculty or staff member, please email Paul Scott at pjscott51@flaget.org or Mark McWhorter at mmcwhorter@iglou.com.
| Last Name | First Name | Class/Role | Date of Death |
|---|---|---|---|
| Killmeier | Vincent P. "Ben | 1952 | October 12, 2020 |
| Kinberger | Charles A. | 1953 | September 8, 2012 |
| King | Donald A. | 1962 | May 9, 2018 |
| King | Raymond F. | 1951 | February 5, 2019 |
| King | Robert L. | 1948 | May 7, 2010 |
| King | Stephen E. | 1966 | May 9, 2018 |
| Kinsella | Norbert Leo | 1955 | December 13, 2024 |
| Kinsella | Robert James | 1956 | November 18, 1998 |
| Kirchgessner | George H. | 1951 | |
| Klarer | John Donald | 1951 | January 26, 2008 |
| Klein | Michael Joseph "Mike | 1960 | October 20, 2023 |
| Klein | Thomas W. | 1964 | January 26, 1997 |
| Klein | Vincent W. | 1971 | May 25, 2016 |
| Kleinholter | John R. "Jack | 1957 | August 16, 2012 |
| Kleinholter Jr. | Henry J. | 1945 | October 10, 1988 |
| Klem | Kenneth Francis | 1947 | April 22, 1999 |
| Kletzly, C.F.X. | Br. Paul Francis | Brother | |
| Kline | Denis S. | 1966 | October 23, 2025 |
| Kline | James M. | 1948 | December 26, 2012 |
| Kline | Sherman B. | 1946 | November 19, 2016 |
| Kline | Thomas A. | 1953 | July 15, 2014 |
| Kluesner | Kenneth Odelo | 1947 | May 26, 2003 |
| Kneisler | Charles L. | 1947 | March 9, 2019 |
| Kneisler | James Michael | 1961 | July 5, 2021 |
| Knoop | Frank R. | 1952 | February 10, 2015 |
| Knoop | William Charles | 1953 | October 31, 1997 |
| Knust | Louis W. | 1956 | May 13, 2011 |
| Koenig | James M. "Jim | 1955 | January 29, 1994 |
| Koenig | Philip R. | 1956 | June 7, 2010 |
| Koenig | Thomas Joseph | 1954 | December 13, 2009 |
| Koerber | Anthony H. | 1952 | July 17, 2003 |
| Koetter, Sr. | Thomas C. "Tom | 1954 | December 30, 2021 |
| Kolb | Kenneth Robert | 1966 | January 23, 2022 |
| Kolb | William R. | 1949 | November 7, 1965 |
| Kostolnik | William Andrew | 1951 | April 5, 2000 |
| Kraeszig | James W. | 1959 | December 19, 2011 |
| Kraft | James Donald | 1953 | February 13, 2006 |
| Kramer | John M. "Jack | 1960 | April 14, 2023 |
| Kramer | William D. "Bill | 1962 | August 26, 2021 |
| Krause | William Fredrick | 1958 | January 25, 2001 |
| Krauser | Robert Louis | 1952 | March 13, 2008 |
| Krebs | Donald Raymond | 1955 | August 22, 2020 |
| Krebs | Eugene Joseph | 1958 | September 21, 1992 |
| Krecker | Dr. Edward C. | 1950 | |
| Krekel | Donald Joseph "Don | 1957 | February 22, 2022 |
| Krekel | Timothy Joseph | 1968 | June 23, 2009 |
| Krekel Jr. | George M. | 1952 | April 26, 2019 |
| Krekel Jr. | Louis R. | 1961 | October 1, 2019 |
| Kremer | Bernard R. | 1966 | April 8, 2020 |
| Kremer | Michael J. | 1960 |