- Radanovich, George
- Radogno, Christine
- Ramstad, Jim
- Rangel, Charles B.
- Rath, Mary Lou
- Rauschenberger, Steven
- Rawlings, Howard P
- Ray, Billy
- Ray, Paul
- Ray, Robert
- Raymond, Richard
- Reagan, Ronald
- Redmer Jr., Alfred W.
- Reed, Jack
- Reese, Michael
- Reeves, John
- Reid, Harry
- Rell, Jodi
- Rennie, Kevin
- Rerras, Nick
- Reyes, Ed
- Reyes, Silvestre
- Reynolds, Jim
- Reynolds, Thomas M
- Reynolds, Tommy
- Rhoades, James J
- Rhodd-Cummings, Pauline
- Rhodes, Jim
- Rice, Kathleen
- Rice, Tom
- Richardson, Bill
- Richardson, John
- Richardson, Steve
- Richman, Keith
- Ridley-Thomas, Mark
- Riley, Bob
- Riley, Nancy
- Riordan, Richard
- Ritter, Stacy
- Roberts, Ken
- Roberts, Lawrence
- Roberts, Pat
- Robinson, Ann
- Robinson, Dan
- Robinson, Eric
- Robinson, John
- Rodriguez, Nancy
- Roemer, Tim
- Rogers, David
- Rogers, George
- Rogers, Harold
- Rogers, Ray
- Rohrabacher, Dana
- Romanoff, Andrew
- Romero, Gloria
- Romero, Sandra
- Romney, Mitt
- Ronen, Carol
- Rooney, T.J.
- Roosevelt, Franklin Delano
- Roraback, Andrew
- Ros-Lehtinen, Ileana
- Rosenberg, Samuel I
- Rosendahl, Bill
- Ross, Charlie
- Ross, Mike
- Ross, Tony
- Rossi, Dino
- Rossin, Tom
- Rosso, Mary M
- Rove, Karl
- Rowland, John
- Rowland, John G.
- Roybal-Allard, Lucille
- Ruben, Ida G
- Rubio, Marco
- Runner, George
- Rush, Bobby L
- Ryan, Don
- Ryan, George
- Ryan, Jim
- Ryan, John J
- Ryan, Kevin
- Ryan, Paul
- Ryan, Tim
- Ryun, Jim
- Rzepkowski, James E
