| 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 |
| Ronald McDonald House Charities in OmahaEIN 47-0755104 | Health | NE | $1,500,137Small | 87.83 |
| Ronald McDonald House Charities New York Tri-State AreaEIN 22-3188156 | Health | NJ | $2,499,626Small | 92.48 |
| Ronald McDonald House Charities of AlabamaEIN 63-0753358 | Health | AL | $2,369,956Small | 84.93 |
| Ronald McDonald House Charities of AugustaEIN 58-1509465 | Health | GA | $825,577Small | 91.93 |
| Ronald McDonald House Charities of BaltimoreEIN 52-1184957 | Health | MD | $2,025,834Small | 87.39 |
| Ronald McDonald House Charities of Central and Northern ArizonaEIN 86-0483792 | Health | AZ | $2,976,662Small | 91.71 |
| Ronald McDonald House Charities of Central FloridaEIN 59-3211250 | Health | FL | $3,418,782Small | 91.33 |
| 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 CharlestonEIN 57-0724845 | Health | SC | $1,595,982Small | 91.89 |
| Ronald McDonald House Charities of Chicagoland and Northwest IndianaEIN 36-3532553 | Health | IL | $9,572,947Mid-sized | 85.23 |
| Ronald McDonald House Charities of Connecticut and Western MassachusettsEIN 04-2971480 | Health | CT | $2,647,177Small | 73.39 |
| Ronald McDonald House Charities of DenverEIN 84-0728926 | Health | CO | $3,629,604Mid-sized | 96.53 |
| Ronald McDonald House Charities of Eastern Iowa and Western IllinoisEIN 42-1189783 | Health | IA | $1,707,135Small | 92.16 |
| Ronald McDonald House Charities of Eastern WisconsinEIN 39-1433107 | Health | WI | $2,818,682Small | 97.05 |
| Ronald McDonald House Charities of Greater ChattanoogaEIN 62-1327855 | Health | TN | $2,009,604Small | 90.34 |
| Ronald McDonald House Charities of Greater CincinnatiEIN 31-0965333 | Health | OH | $4,698,361Mid-sized | 92.80 |
| Ronald McDonald House Charities of Greater Las VegasEIN 94-3108570 | Health | NV | $1,875,202Small | 89.57 |
| Ronald McDonald House Charities of Greater Washington, DCEIN 52-1132262 | Health | DC | $3,306,024Small | 92.68 |