| NAME | POSITION | SEASONS | COLLEGE |
|---|---|---|---|
| Kaimer, Karl | DE | 1962 | University of Maine |
| Kalil, Ryan | C | 2019 | Southern California |
| Kapinos, Jeremy | P | 2007 | Penn State |
| Kassell, Brad | LB | 2006-2008 | North Texas |
| Katchik, Joe | DT | 1960 | Notre Dame |
| Katnik, Norm | C | 2005-2006 | Southern California |
| Kattus, Eric | TE | 1992 | Michigan |
| Katz, Mike | OG | 1966 | So. Conn. State |
| Kaufusi, Bronson | DE | 2018-2019 | Brigham Young |
| Kearse, Jermaine | WR | 2017-2018 | Washington |
| Keating, Dennis | LB | 1972 | Massachusetts |
| Kecman, Ron | C | 1977 | Maryland |
| Keeton, Bryson | DB | 2016 | Montana State |
| Keller, Dustin | TE | 2008-2012 | Purdue |
| Keller, Larry | LB | 1977-1978 | Houston |
| Kelly, Joe | LB | 1990-1992 | Washington |
| Kelly, Patrick | TE | 1990-1991 | Syracuse |
| Kendall, Pete | OG | 2004-2006 | Boston College |
| Kenerson, John | P | 1998 | Northwestern |
| Kerley, Jeremy | WR | 2011-2015,17 | Texas Christian |
| Kessman, Alex | K | 2021 | Pittsburgh |
| Kindig, Howard | DE | 1974-1975 | Los Angeles State |
| King, Gordon | OT | 1986-1987 | Stanford |
| King, Henry | DB | 1967-1968 | Utah State |
| King, Lenny | DB | 1961 | Connecticut |
| King, Ray | LB | 1976 | Iowa State |
| King, Steve | T | 1976-1977 | Michigan |
| Kingsbury, Kliff | QB | 2005 | Texas Tech |
| Kipfmiller, Gary | C | 1972 | Nebraska-Omaha |
| Kirksey, Roy | OG | 1971-1973 | Maryland Eastern Shore |
| Klecko, Joe | DT | 1977-1987 | Temple |
| Klever, Rocky | TE | 1983-1987 | Montana |
| Klotz, Jack | OT | 1960-1961 | Penn Military |
| Knight, David | WR | 1973-1977 | William & Mary |
| Knight, Leander | DB | 1989 | Montclair State |
| Knight, Zonovan | RB | 2022 | North Carolina State |
| Koegel, Warren | C | 1974-1975 | Penn State |
| Koloamatangi, Leo | C | 2019 | Hawaii |
| Kors, R.J. | DB | 1991-1992 | Long Beach State |
| Kovac, Ed | RB | 1962 | Cincinnati |
| Kowalczyk, Tom | G | 1977 | Missouri |
| Kowalewski, Joe | TE | 2007 | Syracuse |
| Krempin, Joe | TE | 1973 | Texas A&I |
| Krevis, Al | OT | 1977 | Boston College |
| Kroft, Tyler | TE | 2021 | Rutgers |
| Kroll, Alex | OT | 1962 | Rutgers |
| Kroul, Matt | DL | 2010 | Iowa |
| Krzemienski, Tom | OE | 1965 | Michigan State |
| Kurisko, Jamie | TE | 1987 | Southern Connecticut State |
| Kyle, Chuck | LB | 1972 | Maryland Eastern State |
