C
- Daniel Cabrera
- Orlando Cabrera
- Iván Calderón
- Ron Calloway
- Bill Campbell
- Brett Campbell
- Casey Candaele
- John Candelaria
- Matt Capps
- Héctor Carrasco
- Don Carrithers
- Brett Carroll
- Jamey Carroll
- Gary Carter
- Dave Cash
- Craig Caskey
- Vinny Castilla
- Kory Casto
- Bernie Castro
- Matt Cepicky
- Rick Cerone
- Endy Chávez
- Raúl Chávez
- Bruce Chen
- Matt Chico
- Ryan Church
- Archi Cianfrocco
- Alex Cintrón
- Royce Clayton
- Donn Clendenon
- Ty Cline
- Tyler Clippard
- Todd Coffey
- Rich Coggins
- Nate Colbert
- Greg Colbrunn
- Lou Collier
- Tony Collins
- Kevin Collins
- Jesús Colomé
- Bartolo Colón
- Trace Coquillette
- Alex Cora
- Roy Corcoran
- Chad Cordero
- Wil Cordero
- Rheal Cormier
- Reid Cornelius
- John Costello
- Darron Cox
- Jim Cox
- Warren Cromartie
- Terry Crowley
- Deivi Cruz
- Darwin Cubillán
Read more about this topic: Washington Nationals All-time Roster