K
- Royal Kahler (1941)
- George Kakasic (1936–1939)
- Dave Kalina (1970–1971)
- Todd Kalis (1994)
- John Kapele (1960–1962)
- Jeremy Kapinos (2010–2011)
- John Karcis (1936–1938)
- Ed Karpowich (1936–1940)
- Ted Karras (1958–1959)
- George Kavel (1934)
- Tom Keane (1965)
- Tom Keating (1973)
- Brett Keisel (2002–2011)
- Craig Keith (1993–1994)
- Marv Kellum (1974–1976)
- Jim Kelly (1964)
- Chad Kelsay (1999)
- Mose Kelsch (1933–1934)
- Chris Kemoeatu (2005–2011)
- Jack Kemp (1957–1958)
- Ray Kemp (1933)
- George Kennard (1957)
- John Kennerson (1962)
- Gary Kerkorian (1952)
- Brady Keys (1961–1967)
- Omar Khan (2001–2011)
- Walter Kichefski (1940–1944)
- Max Kielbasa (1946–1947)
- Walt Kiesling (1937–1961)
- George Kiick (1940–1945)
- Pat Killorin (1966)
- Frank Kilroy (1943)
- Frank Kimble (1945)
- Carlos King (1998)
- Phil King (1964)
- Mark Kirchner (1983)
- Ken Kirk (1962)
- Levon Kirkland (1992–2000)
- Travis Kirschke (2004–2009)
- Ben Kish (1943)
- Ed Kissell (1952–1955)
- Earl Klapstein (1946)
- Dick Klein (1961)
- Jack Klotz (1959)
- John Klumb (1940)
- Daryl Knox (1987)
- Bob Kohrs (1980–1985)
- Jon Kolb (1969–1991)
- Elmer Kolberg (1941)
- Chris Kolodziejski (1984)
- John Kondrla (1945)
- Ken Kortas (1965–1969)
- Jules Koshlap (1945)
- Rich Kotite (1968)
- Martin Kottler (1933)
- Matt Kranchick (2004–2005)
- Dan Kreider (2000–2007)
- Joe Kresky (1935)
- Clint Kriewaldt (2003–2007)
- Bill Krisher (1958–1959)
- Mike Kruczek (1976–1979)
- Joe Krupa (1956–1964)
- Larry Krutko (1958–1962)
- Sean Kugler (2010–2011)
- Joe Kuharich (1946)
- John Kuhn (2005–2006)
- Justin Kurpeikis (2001–2006)
- Roy Kurrasch (1948)
- Cvonimir Kvaternik (1934)
Read more about this topic: List Of Pittsburgh Steelers Players