- Geoff Cameron - HOU
- Pablo Campos - RSL
- Joe Cannon - SJ
- Calen Carr - CHI
- Brian Carroll - CLB
- Conor Casey - COL
- Mauricio Castro - NE
- Albert Celades - NY
- Danny Cepero - NY
- Mike Chabala - HOU
- Marvin Chavez - FCD
- Chukwudi Chijindu - CHV
- Brian Ching - HOU
- Colin Clark - COL
- Ricardo Clark - HOU
- Ryan Cochrane - HOU
- Nico Colaluca - NE
- Wilman Conde - CHI
- Jimmy Conrad - KC
- Bobby Convey - SJ
- Jon Conway - NY
- Terry Cooke - COL
- Kenny Cooper - FCD
- Ramiro Corrales - SJ
- Bouna Coundoul - NY
- Raphael Cox - RSL
- Louis Crayton - DC
- Adam Cristman - KC
- Sam Cronin - TFC
- Steve Cronin - DC
- Danny Cruz - HOU
- Yamith Cuesta - CHV
- Omar Cummings - COL
- John Cunliffe - SJ
- Jeff Cunningham - FCD
- Jim Curtin - CHV