K
| Name | Position | College | Years Played |
|---|---|---|---|
| Kahn, Ed | G | North Carolina | 1935-37 |
| Kalu, Ndukwe | DE | Rice | 1998-00 |
| Kamp, Jim | T | Oklahoma City | 1933 |
| Kammerer, Carl | DE | Pacific | 1963-69 |
| Kane, Rick | RB | San Jose St. | 1984 |
| Kantor, Joe | RB | Notre Dame | 1966 |
| Karamatic, George | B | Gonzaga | 1938 |
| Karas, Emil | E | Dayton | 1959 |
| Karcher, Jim | G | Ohio St. | 1936-39 |
| Karras, Lou | T | Purdue | 1950-52 |
| Karras, Ted | TD | Northwestern | 1987 |
| Katrishen, Mike | T | Southern Miss. | 1948-49 |
| Kaufman, Mel | LB | Cal Poly | 1981-88 |
| Kawal, Ed | C | Illinois | 1937 |
| Kearse, Frank | DE | Alabama A&M | 2014-15 |
| Keating, Chris | LB | Maine | 1985 |
| Keenan, Jack | T | South Carolina | 1944-45 |
| Kehl, Bryan | LB | BYU | 2012-13 |
| Kehr, Rick | G | Carthage | 1987 |
| Kelley, Gordon | LB | Georgia | 1962-63 |
| Kelley, Rob | RB | Tulane | 2016-18 |
| Kelly, John | T | Florida A&M | 1966-67 |
| Kelly, Malcolm | WR | Oklahoma | 2008-10 |
| Kemoeatu, Ma'ake | NT | Utah | 2010 |
| Kendall, Pete | OL | Boston College | 2007-08 |
| Kenneally, Gus | E | St. Bonaventure | 1932 |
| Kerr, Jim | DB | Penn St. | 1961-62 |
| Kerrigan, Ryan | LB | Purdue | 2011-18 |
| Khayat, Bob | K | Mississippi | 1960, 1962-63 |
| Khayat, Ed | DT | Tulane | 1957, 1962-63 |
| Kiick, Jim | RB | Wyoming | 1977 |
| Killings, Cedric | DL | Carson-Newman | 2005 |
| Kilmer, Bill | QB | UCLA | 1971-78 |
| Kimball, Bruce | G | Massachusetts | 1983-84 |
| Kimble, Garry | CB | Sam Houston St. | 1987 |
| Kimmel, J.D. | T | Houston | 1955-56 |
| Kimmel, Jon | LB | Colgate | 1987 |
| Kimrin, Ola | K | Texas El Paso | 2004 |
| Kincaid, Jim | B | South Carolina | 1954 |
| Kinney, Kelvin | DE | Virginia St. | 1997-98 |
| Kirk, Randy | LB | San Diego St. | 1990 |
| Kitts, Jim | FB | Ferrum | 1998 |
| Knight, Curt | K | Coast Guard | 1969-73 |
| Knighton, Terrance | NT | Temple | 2015 |
| Koch, Markus | DE | Boise St. | 1986-91 |
| Koniszewski, John | T | G.W. | 1945-46, 1948 |
| Kopay, Dave | RB | Washington | 1969-70 |
| Kouandjio, Arie | G | Alabama | 2015-17 |
| Kovatch, John | E | Notre Dame | 1942, 46 |
| Kozlowski, Brian | TE | Connecticut | 2004-07 |
| Krakoski, Joe | B | Illinois | 1961 |
| Krakoski, Joe | LB | Washington | 1986 |
| Krause, Mx | FB | Gonzaga | 1937-40 |
| Krause, Paul | DB | Iowa | 1964-67 |
| Krause, Red | C | St. Louis | 1938 |
| Kresky, Joe "Mink" | G | Wisconsin | 1932 |
| Krouse, Ray | T | Maryland | 1960 |
| Kruczek, Mike | QB | Boston College | 1980 |
| Krueger, Al | RB | USC | 1941-42 |
| Kubin, Larry | LB | Penn St. | 1982-84 |
| Kuchta, Frank | C | Notre Dame | 1958-59 |
| Kuehl, Ryan | DT | Virginia | 1996-97 |
| Kupp, Jake | G | Washington | 1966 |
| Kuziel, Bob | G | Pittsburgh | 1975-80 |
| Kerin, Zac | OL | Toledo | 2018 |
| Kidsy, Darvin | WR | Texas Southern | 2018 |
