| Religions for PeaceEIN 13-2671065 | International | NY | $3,293,909Small | 89.00 |
| Religious Coalition for Reproductive ChoiceEIN 52-1213972 | Human and Civil Rights | DC | $1,405,840Small | 86.62 |
| Remember NhuEIN 20-1461313 | International | OH | $3,695,880Mid-sized | 83.64 |
| Renewal MinistriesEIN 38-2385975 | Religion | MI | $1,737,697Small | 80.38 |
| Rescue Mission, SyracuseEIN 15-0532146 | Human Services | NY | $21,139,953Large | 84.75 |
| Research for ActionEIN 23-2710950 | Education | PA | $4,017,176Mid-sized | 89.27 |
| Research!AmericaEIN 52-1609875 | Research and Public Policy | VA | $3,687,258Mid-sized | 80.61 |
| ReSOURCEEIN 03-0326293 | Human Services | VT | $4,244,228Mid-sized | 88.17 |
| Resource Exchange International (REI)EIN 59-3043334 | International | CO | $959,270Small | 80.80 |
| Resource MediaEIN 82-0564961 | Arts, Culture, Humanities | CA | $4,243,281Mid-sized | 87.20 |
| Resources for the FutureEIN 53-0220900 | Environment | DC | $13,755,089Large | 89.69 |
| Respiratory Health AssociationEIN 36-2222687 | Health | IL | $2,776,205Small | 81.10 |
| Respite Care, Inc.EIN 84-0840653 | Health | CO | $1,583,988Small | 84.23 |
| Rett Syndrome Research TrustEIN 26-0687439 | Health | CT | $7,443,444Mid-sized | 82.96 |
| Return to FreedomEIN 06-1484961 | Animals | CA | $1,508,448Small | 84.69 |
| ReVive Center for Housing and HealingEIN 36-2192804 | Human Services | IL | $2,298,503Small | 85.05 |
| Reynolda House Museum of American ArtEIN 56-0810676 | Arts, Culture, Humanities | NC | $4,647,945Mid-sized | 89.12 |
| Rhode Island Community Food BankEIN 05-0395601 | Human Services | RI | $16,275,074Large | 84.89 |
| 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 Performing Arts AllianceEIN 54-2028439 | Arts, Culture, Humanities | VA | $2,309,500Small | 89.80 |
| 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 |
| Riley Children's FoundationEIN 35-0868147 | Health | IN | $46,249,962Large | 88.83 |
| 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 |
| 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 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 |
| 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 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 |
| 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 Elk FoundationEIN 81-0421425 | Animals | MT | $41,006,222Large | 88.07 |
| Rocky Mountain MS CenterEIN 84-0795455 | Health | CO | $2,532,642Small | 88.14 |
| 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 |
| Ron Hutchcraft MinistriesEIN 22-3134995 | Religion | AR | $3,661,779Mid-sized | 87.02 |
| Ronald McDonald House Charities in OmahaEIN 47-0755104 | Health | NE | $1,500,137Small | 87.83 |
| Ronald McDonald House Charities of AlabamaEIN 63-0753358 | Health | AL | $2,369,956Small | 84.93 |
| Ronald McDonald House Charities of BaltimoreEIN 52-1184957 | Health | MD | $2,025,834Small | 87.39 |
| Ronald McDonald House Charities of Central IndianaEIN 35-1497202 | Health | IN | $2,698,882Small | 84.94 |
| Ronald McDonald House Charities of Central OhioEIN 31-0890152 | Health | OH | $4,182,872Mid-sized | 89.91 |
| Ronald McDonald House Charities of Central PennsylvaniaEIN 23-2204761 | Health | PA | $1,475,504Small | 87.51 |
| Ronald McDonald House Charities of Central TexasEIN 74-2277664 | Health | TX | $2,682,013Small | 88.65 |
| Ronald McDonald House Charities of Chicagoland and Northwest IndianaEIN 36-3532553 | Health | IL | $9,572,947Mid-sized | 85.23 |
| Ronald McDonald House Charities of Greater Las VegasEIN 94-3108570 | Health | NV | $1,875,202Small | 89.57 |
| Ronald McDonald House Charities of HawaiiEIN 99-0222124 | Health | HI | $1,822,034Small | 86.42 |
| Ronald McDonald House Charities of KentuckianaEIN 31-1053467 | Health | KY | $1,840,299Small | 82.78 |
| Ronald McDonald House Charities of MemphisEIN 62-1220396 | Health | TN | $3,352,581Small | 86.28 |
| Ronald McDonald House Charities of New MexicoEIN 85-0283204 | Health | NM | $1,494,295Small | 86.80 |