C
- Larry Cabrelli (1943)
- Bill Cahill (1973)
- Ralph Calcagni (1947)
- Dean Caliguire (1991)
- Jack Call (1959)
- Lee Calland (1969–1972)
- Chris Calloway (1990–1991)
- Tom Calvin (1952–1955)
- Paul Cameron (1954)
- Bob Campbell (1969)
- Dick Campbell (1958–1960)
- Don Campbell (1939–1940)
- Glenn Campbell (1935)
- John Campbell (1965–1969)
- Leon Campbell (1955)
- Russ Campbell (1992)
- Scott Campbell (1984–1986)
- Rocco Canale (1943)
- Dom Capers (1992–1994)
- Wayne Capers (1983–1984)
- Jason Capizzi (2007–2009)
- Dick Capp (1968)
- Dom Cara (1937–1938)
- Joe Cardwell (1937)
- Preston Carpenter (1960–1963)
- Gregg Carr (1985–1988)
- Bud Carson (1972–1977)
- Rodney Carter (1986–1989)
- Tyrone Carter (2004–2009)
- Chris Carter (2011)
- Keith Cash (1991)
- Cy Casper (1935)
- Mark Catano (1984–1985)
- Drew Caylor (2004)
- John Cenci (1956)
- Garth Chamberlain (1945)
- Lynn Chandnois (1950–1956)
- Ernie Cheatham (1951–1954)
- Edgar Cherry (1939)
- Charles "Chuck" Cherundolo (1941–1948), (1948–1961)
- Dick Christy (1958–1959)
- Joe Cibulas (1945)
- Ben Ciccone (1934–1935)
- Gene Cichowski (1957–1958)
- Gus Cifelli (1954)
- Bob Cifers (1947–1948)
- Miguel Chavis (2011)
- Jim Clack (1971–1977)
- Kendrick Clancy (2000–2004)
- Eric Clanton (2011)
- Gail Clark (1973)
- James Clark (1933–1934)
- Mike Clark (1964–1967)
- Reggie Clark (1994)
- Ryan Clark (2006–2011)
- Spark Clark (1987)
- John Clay (2011)
- Harvey Clayton (1983–1986)
- Henry Clement (1961–1962)
- Johnny Clement (1946–1948)
- Kyle Clement (2008)
- Tom Clements (2001–2004)
- Jackie Cline (1987)
- Tony Cline (1999)
- Joey Clinkscales (1987–1988)
- Marvin Cobb (1980)
- Zamir Cobb (2004)
- Patrick Cobbs (2006)
- Nakia Codie (2000–2001)
- Kevin Colbert (2000–2011)
- Ricardo Colclough (2004–2007)
- Reggie Coldagelli (1940)
- Robin Cole (1977–1987)
- Terry Cole (1970)
- Andre Coleman (1997–1998)
- LaMonte Coleman (1995)
- Max Coley (1969–1971)
- Mike Collier (1975–1976)
- Reggie Collier (1987)
- Chris Collins (2004)
- Jack Collins (1962)
- Willie Colon (2006–2011)
- Craig Colquitt (1978–1984)
- Chris Combs (2000–2001)
- Tony Compagno (1946–1948)
- Dick Compton (1967–1968)
- Merlyn Condit (1940–1946)
- Steve Conley (1996–1998)
- Dick Conn (1974)
- Mike Connelly (1968)
- Rameel Connor (2001)
- Chris Conrad (1998–2000)
- Enio Conti (1943)
- Joe Coomer (1941, 1945–1946)
- Adrian Cooper (1991–1993)
- Marquis Cooper (2006–2007)
- Sam Cooper (1933)
- Lou Cordileone (1962–1963)
- Anthony Corley (1984)
- Bob Coronado (1961)
- Thomas Cosgrove (1935)
- Jerricho Cotchery (2011)
- Russell Cotton (1942)
- Steve Courson (1977–1983)
- Brad Cousino (1977)
- Bill Cowher (1992–2006)
- Russ Craft (1954–1956)
- Bill Cregar (1947–1948)
- Carl Crennel (1970)
- Larry Critchfield (1933)
- Winfield Croft (1936)
- Da'Mon Cromartie-Smith (2010–2011)
- Marshall Cropper (1967–1969)
- Joe Cugliari (1981)
- David Culley (1996–1998)
- Bennie Cunningham (1976–1985)
- Ron Curl (1972)
- Don Currivan (1944)
- Roy Curry (1963)
- Matt Cushing (1999–2004)
- Randy Cuthbert (1993)
Read more about this topic: List Of Pittsburgh Steelers Players