| Crockett, Jasmine | U.S. House | TX | Democratic | 1 |
| Crook, Robert | U.S. House | NJ | Republican | 1 |
| Croom, George | U.S. House | MD | Democratic | 1 |
| Crooms, Andrea Lynn | U.S. House | MD | Democratic | 1 |
| Crooms, Connell Aubrey | U.S. House | FL | Democratic | 1 |
| Cross, Alex | U.S. House | TX | Republican | 1 |
| Cross, Elayne | U.S. House | OH | Republican | 1 |
| Cross, Kenneth Robert | President | US | GRN | 1 |
| Cross, Robert N | U.S. House | ME | Republican | 1 |
| Crowe, Derrick Chad Mr. | U.S. House | TX | Democratic | 1 |
| Crowe, Dewey Rusty Edward II | U.S. House | TN | Republican | 1 |
| Crow, Jason | U.S. House | CO | Democratic | 1 |
| Crowley, Joseph | U.S. House | NY | Democratic | 1 |
| Crowl, Scot Alan Mr. | U.S. House | IL | Republican | 1 |
| Crumpacker, Jimmy | U.S. House | OR | Republican | 2 |
| Crumpton, Ronald (Ron) Steven | U.S. Senate | AL | Democratic | 1 |
| Crutcher, Chanda Mills | U.S. Senate | AL | Independent | 1 |
| Cruz, Dan | U.S. Senate | NJ | Republican | 1 |
| Cruz, Erin | U.S. House | CA | Republican | 1 |
| Cruz, Erin | U.S. Senate | CA | Republican | 1 |
| Cruz, Ginger | U.S. House | GU | Democratic | 1 |
| Cruz, Israel | U.S. Senate | PA | Republican | 1 |
| Cruz, Israel Ortega | U.S. House | NY | Republican | 1 |
| Cruz, Jerico Matias | U.S. House | IL | Independent | 1 |
| Cruz, Johsira C Mrs | U.S. House | GA | Republican | 2 |
| Cruz, Kimberly | U.S. House | NY | Democratic | 1 |
| Cruz-Lara, Ignacio Israel | U.S. House | CA | Republican | 1 |
| Cruz, Rafael Edward Ted | U.S. Senate | TX | Republican | 3 |
| Cruz, Rafael Edward "Ted" | President | US | Republican | 1 |
| Cruz, Robert 'Rob' | U.S. House | IL | Republican | 1 |
| Cruz Velez, Edgardo | U.S. House | PR | NON | 1 |
| Cubbler, Scott Ralston Mr. | U.S. House | TX | Independent | 1 |
| Cuddy, Dave Mr | U.S. House | TX | Republican | 1 |
| Cuellar, Desi | U.S. House | NY | Republican | 1 |
| Cuellar, Henry | U.S. House | TX | Democratic | 1 |
| Cuevas, Jose Manuel | President | US | NPA | 1 |
| Culberson, John | U.S. House | TX | Republican | 1 |
| Cullen, Jason Cullen | U.S. House | NJ | Libertarian | 1 |
| Culley, Jamie | U.S. House | TX | Republican | 1 |
| Cullop, Benjamin Niel | U.S. House | VA | Democratic | 1 |
| Cullum, John J | U.S. House | CA | Republican | 1 |
| Culp, Loren | U.S. House | WA | Republican | 1 |
| Cumings, Christopher Charles | U.S. Senate | AK | NON | 1 |
| Cummings, Daniel Clyde | U.S. House | UT | CON | 1 |
| Cummings, Daniel Clyde | President | US | CON | 2 |
| Cummings, Daniel Clyde | U.S. House | WY | CON | 1 |
| Cummings, Dave | U.S. House | FL | Republican | 1 |
| Cummings, Elijah E | U.S. House | MD | Democratic | 1 |
| Cummings, John C. | U.S. House | NY | Republican | 1 |
| Cummings, Maya Rockeymoore | U.S. House | MD | Democratic | 1 |
| Cummings, Rodney Justin Mr | U.S. House | IN | Republican | 1 |
| Cunningham, Angela | U.S. House | WI | Democratic | 1 |
| Cunningham-Bullock, Andre Michael | U.S. House | PA | Democratic | 1 |
| Cunningham, Cal | U.S. Senate | NC | Democratic | 1 |
| Cunningham, Chris | U.S. Senate | NV | Libertarian | 1 |
| Cunningham, Eric B | U.S. House | GA | Republican | 1 |
| Cunningham, Hart P. | President | US | Democratic | 2 |
| Cunningham, Joe | U.S. House | SC | Democratic | 1 |
| Cunningham, Logan S | U.S. House | SC | Republican | 1 |
| Cunningham, Ryan Barrett | U.S. House | CA | NPA | 1 |
| Cunningham, William | U.S. House | NJ | Democratic | 1 |
| Cunningham, William Robert Mr. Jr. | U.S. House | TX | Independent | 1 |
| Curbelo, Carlos Mr. | U.S. House | FL | Republican | 2 |
| Curran, Mark | U.S. Senate | IL | Republican | 1 |
| Curran, Rebekah A. | U.S. Senate | MI | Republican | 1 |
| Curro, Brian R | President | US | Independent | 1 |
| Curry, David | U.S. House | GA | Republican | 1 |
| Curry, Eric | U.S. House | CA | Democratic | 1 |
| Curry, John Gregory | U.S. House | IL | Democratic | 1 |
| Curry, Kellen | U.S. House | NY | Republican | 1 |
| Curtis, Clint | U.S. House | FL | Democratic | 1 |
| Curtis, Clint | U.S. House | FL | Democratic | 1 |
| Curtis, David | President | US | UN | 1 |
| Curtis, James Jr | U.S. House | MD | Democratic | 1 |
| Curtis, John | U.S. House | UT | Republican | 3 |
| Curtis, John | U.S. Senate | UT | Republican | 2 |
| Curtis, Jon | U.S. House | TX | Democratic | 1 |
| Curtis , Ron | U.S. Senate | HI | Republican | 1 |
| Curtis, Ron | U.S. House | HI | Republican | 1 |
| Custis, Joseph Lee Mr Jr | President | US | Independent | 1 |
| Cutcher, William L | U.S. House | CO | Republican | 1 |
| Cuteri, Clayton Alexander | U.S. House | PA | OTH | 1 |