- Research Institute1
- Rhode Island Realtors Association, Inc.1
- Rhodes, Fred Burnett, 1913-20011
- Ribicoff, Abraham, 1910-19981
- Robertson, A. Willis (Absalom Willis), 1887-19711
- Rogers, Byron G. (Byron Giles), 1900-19831
- Rogers, William P. (William Pierce), 1913-20011
- Ross, Jane L.1
- Ross, Leonard M.1
- Russell, Richard B. (Richard Brevard), 1897-19711
- Sachs, Richard C., 1945-1
- Sanders, Carl E.1
- Santorum, Rick, 1958-1
- Scherer, Ray1
- Seeley, David S.1
- Shoup Voting Machine Corporation1
- Sikes, Robert L. F. (Robert Lee Fulton), 1906-19941
- Slack, John Mark, 1915-19801
- Smith, Avery1
- Sparks, Bertel M.1
