| Rodeo, Kenny | President | US | Republican | 1 |
| Rodermund, Jon Travis | U.S. House | TX | Republican | 1 |
| Rodgers, Emory | U.S. House | CA | Democratic | 1 |
| Rodgers, James Byron Mr. | U.S. House | TX | Republican | 1 |
| Rodill, Austin Mr. | U.S. House | PA | Democratic | 2 |
| Rodimer, Dan | U.S. House | NV | Republican | 2 |
| Rodimer, Dan | U.S. House | TX | Republican | 1 |
| Rodkin Rotering, Nancy | U.S. House | IL | Democratic | 1 |
| Rodrigues, Hamilton Soares | U.S. House | MA | Republican | 1 |
| Rodriguez-Aguilera, Bettina | U.S. House | FL | Republican | 1 |
| Rodriguez, Antonio | U.S. House | TX | Independent | 1 |
| Rodriguez, Brenda Laney | U.S. Senate | NC | Independent | 1 |
| Rodriguez, Christopher | U.S. House | CA | Republican | 1 |
| Rodriguez, Darrell Allen | U.S. House | TX | Democratic | 1 |
| Rodriguez, Eduardo R. | U.S. House | TX | Democratic | 1 |
| Rodriguez, Jaime Alfonso Mr. | U.S. House | TX | Democratic | 1 |
| Rodriguez, Jimmy | U.S. House | VT | Republican | 1 |
| Rodriguez, Joanna | President | US | NNE | 1 |
| Rodriguez, Jose Javier | U.S. House | FL | Democratic | 1 |
| Rodriguez, Joshua | U.S. Senate | CO | UNK | 2 |
| Rodriguez, Joshua | President | US | Libertarian | 1 |
| Rodriguez, Joshua | U.S. Senate | AZ | W | 1 |
| Rodriguez, Junius | U.S. House | IL | Democratic | 1 |
| Rodriguez, Lucia S | U.S. House | TX | Republican | 1 |
| Rodriguez, Nancy Elizabeth Ms. | President | US | LBL | 1 |
| Rodriguez, Paul M.F. | U.S. Senate | NV | Republican | 1 |
| Rodriguez-Prilliman, Heli | U.S. Senate | TX | Democratic | 1 |
| Rodriguez, Ramon | U.S. House | NY | Democratic | 1 |
| Rodriguez, Rolando D Mr. | U.S. House | TX | Republican | 1 |
| Rodriguez, Ruben | U.S. House | CT | Republican | 1 |
| Rodriguez, Saul A | U.S. House | AZ | Republican | 1 |
| Rodriguez, Saul Alejandro | U.S. House | CA | Republican | 1 |
| Rodriguez, Saul Alejandro | U.S. House | CA | Democratic | 1 |
| Rodriguez, Tony | U.S. House | CA | Independent | 1 |
| Rodriguez-Wheeler, Jo-Anna Ms. | U.S. House | NY | Democratic | 1 |
| Rodriguez, Ydanis | U.S. House | NY | Democratic | 1 |
| Roe, Ann | U.S. House | WI | Democratic | 1 |
| Roe, David Phillip Dr. | U.S. House | TN | Republican | 1 |
| Roeill, Zachary M | U.S. House | NJ | Democratic | 1 |
| Roesler, Nicholas | President | US | Independent | 1 |
| Rogensues, Angela | U.S. House | MI | Democratic | 1 |
| Rogers, Anthony | U.S. House | MO | Republican | 1 |
| Rogers, Bevon | U.S. Senate | OK | Democratic | 1 |
| Rogers, Curtis Ralph | U.S. House | FL | Republican | 1 |
| Rogers, Evelyn L | U.S. House | OK | Independent | 3 |
| Rogers, Harold Dallas | U.S. House | KY | Republican | 1 |
| Rogers, Lakesha Donyeil | U.S. House | TX | Independent | 1 |
| Rogers, Mary C | U.S. House | OH | Republican | 1 |
| Rogers, Michael | U.S. House | AL | Republican | 2 |
| Rogers, Michael | U.S. House | MD | Democratic | 1 |
| Rogers, Michael J | U.S. Senate | MI | Republican | 2 |
| Rogers, Robert L | U.S. House | AL | Republican | 1 |
| Rogers, Tim | U.S. House | WI | Republican | 1 |
| Rogers, Tim | U.S. House | WI | Republican | 1 |
| Rogers, Wendy | U.S. House | AZ | Republican | 1 |
| Rohrabacher, Dana | U.S. House | CA | Republican | 1 |
| Rohrs, Bradley Stephen | U.S. House | MD | Republican | 1 |
| Rojas, Iris Margarita | President | US | Independent | 1 |
| Rojas, Ricardo Luis | U.S. House | NJ | Democratic | 1 |
| Rokita, Theodore Edward | U.S. Senate | IN | Republican | 1 |
| Rolde, David | President | US | Green | 1 |
| Rolen, Lewis Warren Mr. | U.S. Senate | MO | Democratic | 1 |
| Rollason, Robert | U.S. House | NC | Republican | 1 |
| Rollins, Gavin | U.S. House | FL | Republican | 1 |
| Rollins, Will | U.S. House | CA | Democratic | 1 |
| Romagnano, Chase Anderson Andy Rev. | U.S. Senate | AL | Republican | 1 |
| Romagnano, Chase Anderson Andy Rev. | U.S. House | FL | Republican | 3 |
| Romagnano, Chase Anderson Andy Reveren | U.S. House | AL | Republican | 1 |
| Romagnano, Chase Anderson Mr. | U.S. Senate | FL | Democratic | 1 |
| Roman, Angela | U.S. House | OR | Republican | 1 |
| Roman, Elmer Luis | U.S. House | PR | NPP | 1 |
| Romanoff, Andrew | U.S. Senate | CO | Democratic | 2 |
| Romdcelly, Damascus | U.S. House | FL | Republican | 1 |
| Romero, Paul J Jr | U.S. House | OR | Republican | 1 |
| Romero, Paul Joseph Mr. Jr. | U.S. Senate | OR | Republican | 1 |
| Romley, Ken | U.S. House | NC | Democratic | 1 |
| Romney, Mitt / Paul D. Ryan | President | US | Republican | 1 |
| Romney, Willard Mitt Mr | U.S. Senate | UT | Republican | 1 |
| Ronan, Samuel | U.S. Senate | OH | Independent | 1 |
| Ronchetti, Mark V. | U.S. Senate | NM | Republican | 1 |
| Ronnebeck, Steve | U.S. House | AZ | Republican | 1 |
| Ronning, Penny | U.S. House | MT | Democratic | 1 |
| Rooney, Francis | U.S. House | FL | Republican | 1 |
| Rooney, Tom Mr. | U.S. House | FL | Republican | 1 |
| Roose, Rodger Lee | President | US | Democratic | 1 |
| Rorex, Dustin Vaughn | President | US | Democratic | 1 |
| Rosa, David A | U.S. House | MA | Republican | 1 |
| Rosales, Mike | U.S. House | NM | Independent | 1 |
| Rosales, Mike | President | US | DTS | 1 |
| Rosas, Raul Eduardo | U.S. House | MD | Democratic | 1 |
| Roschbach, Alexander Lyerrad Mr | President | US | Independent | 1 |
| Rose, Brett Allyn | U.S. House | MN | OTH | 1 |
| Rose, Christopher Andrew | U.S. Senate | WV | Republican | 1 |
| Rose, E Brian | U.S. House | MS | Republican | 1 |
| Rose, Jerry | U.S. Senate | NM | UN | 1 |
| Rose, John | U.S. Senate | CA | Democratic | 1 |
| Rose, John David | U.S. Senate | CA | Democratic | 1 |
| Rose, John W. | U.S. House | TN | Republican | 1 |
| Roselli, Star | U.S. Senate | WY | Republican | 1 |
| Rose, Max | U.S. House | NY | Democratic | 1 |
| Rose, Max | U.S. House | NY | Democratic | 1 |
| Rosenberger, Rob | U.S. House | TX | Republican | 1 |
| Rosenberg, Mikhail Oliver | U.S. House | NY | Democratic | 1 |
| Rosendale, Matt | U.S. Senate | MT | Republican | 1 |
| Rosendale, Matt Mr. | U.S. House | MT | Republican | 1 |
| Rosenfeld, Martin | U.S. Senate | PA | Republican | 1 |
| Rosen Gonzalez, Kristen | U.S. House | FL | Democratic | 1 |
| Rosen, Jacky | U.S. Senate | NV | Democratic | 4 |
| Rosen, Jonathan Mr | President | US | Republican | 1 |
| Roses, Laurel | U.S. House | OR | Republican | 1 |
| Rosewicz, Peter | U.S. House | OH | Democratic | 1 |
| Roshan, Shawn | U.S. House | CA | Democratic | 1 |
| Roskam, Peter | U.S. House | IL | Republican | 3 |
| Rosner, Terre Layng | U.S. House | IL | Democratic | 1 |
| Ross, Daniel Craig | U.S. House | NY | PPP | 1 |
| Ross, David Lewis | U.S. House | VA | Republican | 1 |
| Ross, Deborah | U.S. House | NC | Democratic | 1 |
| Ross, Deborah K | U.S. Senate | NC | Democratic | 1 |
| Ross, Dennis | U.S. House | FL | Republican | 2 |
| Ross, Dennis Alan | U.S. House | FL | Republican | 2 |
| Rossell, Reid | U.S. House | MN | Democratic | 1 |
| Rosser, Tremel Marquis | President | US | CMD | 1 |
| Ross, Gena Dr. | U.S. Senate | MO | Democratic | 1 |
| Ross, Gena L Dr | U.S. House | MO | Democratic | 1 |
| Rossi, Aidan Patrick Mr | U.S. House | NJ | ACE | 1 |
| Rossi, Aidan Patrick Mr | U.S. House | NJ | Democratic | 1 |
| Rossi, Aidan Patrick Mr | U.S. House | NJ | AIP | 1 |
| Rossi, Aidan Patrick Mr | U.S. House | NJ | Republican | 1 |
| Rossi, Dino | U.S. House | WA | Republican | 1 |
| Ross, Jason | U.S. House | TX | Republican | 1 |
| Ross, Ricky Allen Mister Jr | President | US | Independent | 1 |
| Ross, Thomas Ernest Jr. | President | US | Independent | 1 |
| Roth, David | U.S. House | ID | Democratic | 1 |
| Roth, David Jordan | U.S. Senate | ID | Democratic | 1 |
| Roth, Franklin Delano II | U.S. House | MO | Democratic | 1 |
| Rothfus, Keith Mr. | U.S. House | PA | Republican | 3 |
| Roth, Michael | U.S. House | NY | Republican | 1 |
| Rothmuller, Eric | U.S. Senate | KY | Democratic | 1 |
| Rothmund, Otto Robert Mr. | U.S. House | PA | Independent | 1 |
| Roth, Roger James Jr. | U.S. House | WI | Republican | 1 |
| Rothschild, Elizabeth Samantha | U.S. Senate | TX | Republican | 1 |
| Rottinghaus, Patrick Joseph | U.S. House | KY | Democratic | 1 |
| Rouco, George | U.S. House | NC | Republican | 1 |
| Rouda, Harley E Jr | U.S. House | CA | Democratic | 1 |
| Rounds, Mike | U.S. Senate | SD | Republican | 3 |
| Rouse, Deborah Ann | President | US | W | 1 |
| Rouse, Eric S | U.S. House | NC | Republican | 1 |
| Routledge, Root | U.S. House | CO | Democratic | 1 |
| Rouzer, David Cheston | U.S. House | NC | Republican | 1 |
| Rowe, Christopher Lee | U.S. House | TN | Democratic | 1 |
| Rowe, Richard Allen Mr. Jr. | U.S. House | FL | Democratic | 1 |
| Rowin, Kristen Alamo | U.S. House | TX | Republican | 1 |
| Rowjee, Roshin | U.S. House | TX | Republican | 1 |
| Rowland Vazquez, Neil | U.S. House | IL | Democratic | 1 |
| Rowley, Todd | U.S. House | PA | Democratic | 1 |
| Royals, Tom | U.S. House | MD | Republican | 1 |
| Roybal-Allard, Lucille | U.S. House | CA | Democratic | 1 |
| Roybal Caballero, Patricia | U.S. House | NM | Democratic | 1 |
| Roy, Chip | U.S. House | TX | Republican | 1 |
| Rozler, Jeffrey P. | U.S. Senate | NY | Republican | 1 |
| Rozzo, Costantino | U.S. House | NJ | Democratic | 1 |
| Rubando, Nick | U.S. House | OH | Democratic | 1 |
| Ruben, David Alan | U.S. Senate | AZ | Democratic | 1 |
| Rubin, Joel Martin | U.S. House | MD | Democratic | 1 |
| Rubin, Zadok | U.S. House | NJ | PPY | 1 |
| Rubio, Marco | U.S. Senate | FL | Republican | 3 |
| Rubio, Marco | President | US | Republican | 1 |
| Rubio, Susan | U.S. House | CA | Democratic | 1 |
| Ruby, Daniel | U.S. House | OR | Democratic | 1 |
| Rucker, Isaiah Patrick Mr | U.S. House | WV | Independent | 1 |
| Rudbeck, Thomas Mr. | U.S. House | IL | Independent | 1 |
| Rudd, Shauna | U.S. House | KY | Democratic | 1 |
| Ruden, Noran Eric | U.S. House | AZ | Republican | 1 |
| Rudman, Joel Dr. | U.S. House | FL | Republican | 1 |
| Rudnick, Fredericka David Mr. | President | US | Republican | 1 |
| Rudnick, Frederick David Mr. | President | US | Republican | 1 |
| Rudnick, Frederick David Mr. | President | US | Republican | 1 |
| Rudnick, Frederick D Mr. | U.S. House | CA | Democratic | 1 |
| Rudow, Caleb | U.S. House | NC | Democratic | 1 |
| Ruff, Andy | U.S. House | IN | Democratic | 1 |
| Ruff, Jonathan Alan | U.S. House | SC | Republican | 1 |
| Ruff, Kimberly Margaret | President | US | Libertarian | 1 |
| Ruiz, David Ben | U.S. House | IN | Republican | 1 |
| Ruiz, David Ben | U.S. House | IN | Republican | 2 |
| Ruiz, Michael | U.S. House | MA | Democratic | 1 |
| Ruiz, Raul | U.S. House | CA | Republican | 1 |
| Ruiz, Raul Dr. | U.S. House | CA | Democratic | 2 |
| Rullan, Juan F | President | US | W | 1 |
| Rulli, Michael | U.S. House | OH | Republican | 1 |
| Rumbaugh, Jeff Mr | U.S. Senate | WI | Democratic | 1 |
| Rundblade, Shawn | U.S. House | WI | Democratic | 1 |
| Runyan, Jon | U.S. House | NJ | Republican | 1 |
| Ruoho, Michael Jeffrey | President | US | Republican | 1 |
| Ruoho, Mike | U.S. Senate | MN | Republican | 1 |
| Rupert, Charles V | U.S. House | GA | Republican | 1 |
| Ruppersberger, C. A. Dutch | U.S. House | MD | Democratic | 1 |
| Rush, Bobby Lee | U.S. House | IL | Democratic | 1 |
| Rush, Brian | U.S. Senate | FL | Democratic | 1 |
| Rush, Brian | U.S. Senate | FL | Democratic | 1 |
| Rush, Carolyn | U.S. House | NJ | Democratic | 1 |