- Juan Ciscomani Representative from AZ, Republican
- Gilbert Ray Cisneros Representative from CA, Democratic
- Katherine M. Clark Representative from MA, Democratic
- Yvette D. Clarke Representative from NY, Democratic
- Emanuel Cleaver Representative from MO, Democratic
- Ben Cline Representative from VA, Republican
- Michael Cloud Representative from TX, Republican
- James E. Clyburn Representative from SC, Democratic
- Andrew S. Clyde Representative from GA, Republican
- Steve Cohen Representative from TN, Democratic
- Tom Cole Representative from OK, Republican
- Mike Collins Representative from GA, Republican
- James Comer Representative from KY, Republican
- Herbert C. Conaway Representative from NJ, Democratic
- Gerald E. Connolly Representative from VA, Democratic
- J. Luis Correa Representative from CA, Democratic
- Jim Costa Representative from CA, Democratic
- Joe Courtney Representative from CT, Democratic
- Angie Craig Representative from MN, Democratic
- Elijah Crane Representative from AZ, Republican