| Rhode Island Community Food BankEIN 05-0395601 | Human Services | RI | $16,275,074Large | 84.89 |
| Rhode Island Historical SocietyEIN 05-0259110 | Arts, Culture, Humanities | RI | $2,221,741Small | 78.93 |
| Rhode Island Philharmonic Orchestra & Music SchoolEIN 05-0267451 | Arts, Culture, Humanities | RI | $5,552,169Mid-sized | 84.91 |
| Rhode Island Public RadioEIN 05-0498502 | Arts, Culture, Humanities | RI | $3,175,646Small | 84.43 |
| Rhode Island Zoological SocietyEIN 05-6016675 | Animals | RI | $9,389,910Mid-sized | 87.49 |
| Richmond Ballet, The State Ballet of VirginiaEIN 54-6049848 | Arts, Culture, Humanities | VA | $7,064,503Mid-sized | 90.94 |
| Richmond Friends of the HomelessEIN 54-1601100 | Human Services | VA | $1,759,090Small | 78.63 |
| Richmond HillEIN 54-1360535 | Religion | VA | $1,404,738Small | 77.94 |
| Richmond Performing Arts AllianceEIN 54-2028439 | Arts, Culture, Humanities | VA | $2,309,500Small | 89.80 |
| Richmond SPCAEIN 54-0506328 | Animals | VA | $6,971,781Mid-sized | 91.87 |
| Richmond SymphonyEIN 54-6024033 | Arts, Culture, Humanities | VA | $5,127,052Mid-sized | 78.97 |
| Ridgefield Library AssociationEIN 06-0692378 | Arts, Culture, Humanities | CT | $3,483,126Small | 84.58 |
| Right From The Heart MinistriesEIN 58-1995651 | Religion | GA | $1,505,071Small | 89.20 |
| Right To PlayEIN 13-4045245 | International | NY | $2,967,806Small | 74.19 |
| Riley Children's FoundationEIN 35-0868147 | Health | IN | $46,249,962Large | 88.83 |
| RIOULT Dance NYEIN 13-3700857 | Arts, Culture, Humanities | NY | $1,163,311Small | 92.68 |
| Rise Against HungerEIN 16-1541024 | International | NC | $49,757,061Large | 91.16 |
| Rising Tide CapitalEIN 11-3720098 | Human Services | NJ | $4,068,979Mid-sized | 95.65 |
| Rising Treetops at OakhurstEIN 13-5674230 | Health | NY | $2,351,959Small | 95.00 |
| River Bend FoodbankEIN 36-3147342 | Human Services | IA | $25,107,770Large | 98.23 |
| River City Food BankEIN 91-1851398 | Human Services | CA | $2,133,042Small | 87.21 |
| River NetworkEIN 93-0969979 | Environment | CO | $2,276,677Small | 88.96 |
| River Region United WayEIN 63-0330778 | Community Development | AL | $3,079,853Small | 82.00 |
| Riveredge Nature CenterEIN 39-6108549 | Environment | WI | $1,881,013Small | 91.18 |
| Riverfront RecaptureEIN 06-1045653 | Environment | CT | $3,088,203Small | 92.56 |
| RiverkeeperEIN 13-3204621 | Environment | NY | $4,274,476Mid-sized | 93.25 |
| RiverlifeEIN 31-1674160 | Environment | PA | $2,120,404Small | 85.03 |
| Riverside Park ConservancyEIN 13-3443825 | Environment | NY | $4,726,703Mid-sized | 88.60 |
| Roadrunner Food Bank of New MexicoEIN 85-0278525 | Human Services | NM | $61,893,675Large | 89.57 |
| Roanoke Symphony OrchestraEIN 54-6019736 | Arts, Culture, Humanities | VA | $1,791,144Small | 78.19 |
| Roanoke Valley SPCAEIN 54-0679796 | Animals | VA | $1,054,949Small | 89.30 |
| Roberson Museum and Science CenterEIN 15-0565616 | Arts, Culture, Humanities | NY | $1,049,013Small | 85.08 |
| Robert E. Lee Memorial AssociationEIN 54-0536105 | Arts, Culture, Humanities | VA | $3,723,205Mid-sized | 85.47 |
| Robert F. Kennedy Human RightsEIN 13-2522784 | Research and Public Policy | DC | $7,359,062Mid-sized | 83.70 |
| Robert Toigo FoundationEIN 13-3565420 | Education | CA | $3,531,060Mid-sized | 94.48 |
| Robin Hood FoundationEIN 13-3441066 | Community Development | NY | $209,989,218Large | 94.26 |
| RocaEIN 22-3223641 | Human Services | MA | $11,234,089Mid-sized | 94.28 |
| Rochester Museum and Science CenterEIN 16-0794131 | Arts, Culture, Humanities | NY | $7,541,594Mid-sized | 89.52 |
| Rochester Philharmonic OrchestraEIN 16-0765613 | Arts, Culture, Humanities | NY | $11,226,107Mid-sized | 82.52 |
| Rock in PreventionEIN 42-1342237 | Education | IA | $580,385Small | 79.27 |
| Rock River Valley PantryEIN 36-3135643 | Human Services | IL | $1,583,827Small | 87.91 |
| Rock the VoteEIN 02-0767157 | Human and Civil Rights | DC | $6,204,786Mid-sized | 85.55 |
| Rocketown of Middle TennesseeEIN 62-1571573 | Religion | TN | $1,492,925Small | 83.05 |
| Rockford Rescue MissionEIN 36-6132381 | Human Services | IL | $5,700,304Mid-sized | 90.10 |
| Rocking the BoatEIN 13-4177814 | Education | NY | $2,444,745Small | 90.42 |
| Rockport MusicEIN 22-2479696 | Arts, Culture, Humanities | MA | $4,168,139Mid-sized | 86.33 |
| Rockwall County Helping HandsEIN 75-2402276 | Human Services | TX | $2,821,282Small | 85.89 |
| Rocky Mountain ConservancyEIN 84-0472090 | Environment | CO | $3,017,070Small | 96.63 |
| Rocky Mountain Elk FoundationEIN 81-0421425 | Animals | MT | $41,006,222Large | 88.07 |
| Rocky Mountain InstituteEIN 74-2244146 | Environment | CO | $33,402,821Large | 94.57 |
| Rocky Mountain MS CenterEIN 84-0795455 | Health | CO | $2,532,642Small | 88.14 |
| Rocky Mountain PBSEIN 84-0510785 | Arts, Culture, Humanities | CO | $16,052,005Large | 79.06 |
| Rodeheaver Boys RanchEIN 59-0830750 | Human Services | FL | $1,967,247Small | 94.56 |
| Roever Evangelistic AssociationEIN 95-3559970 | Religion | TX | $2,478,572Small | 83.25 |
| Rofeh Cholim Cancer SocietyEIN 11-3355081 | Health | NY | $6,260,818Mid-sized | 80.01 |
| Roger Baldwin Foundation of ACLUEIN 36-2682569 | Human and Civil Rights | IL | $4,101,273Mid-sized | 92.22 |
| Rolling Hills ZooEIN 30-0180215 | Animals | KS | $4,148,136Mid-sized | 79.63 |
| Ron Hutchcraft MinistriesEIN 22-3134995 | Religion | AR | $3,661,779Mid-sized | 87.02 |
| Ronald McDonald House CharitiesEIN 36-2934689 | Health | IL | $39,981,206Large | 92.82 |
| Ronald McDonald House Charities Bay AreaEIN 94-2538615 | Health | CA | $5,897,955Mid-sized | 90.60 |