| Foster & Adoptive Care CoalitionEIN 43-1570225 | Human Services | MO | $3,419,443Small | 94.25 |
| Foundation for Financial PlanningEIN 58-1446336 | Community Development | DC | $1,517,085Small | 93.78 |
| Foundation for Individual Rights in EducationEIN 04-3467254 | Human and Civil Rights | PA | $6,787,293Mid-sized | 94.96 |
| Foundation for Prader-Willi ResearchEIN 31-1763110 | Health | CA | $2,999,798Small | 91.78 |
| Foundation For The CarolinasEIN 56-6047886 | Community Development | NC | $326,772,081Large | 94.34 |
| Foundation for the Mid SouthEIN 72-1151070 | Community Development | MS | $2,079,629Small | 90.19 |
| Foundation for the National Institutes of HealthEIN 52-1986675 | Health | MD | $56,663,813Large | 96.20 |
| Four Corners School of Outdoor EducationEIN 39-1509336 | Education | UT | $2,473,360Small | 91.67 |
| Fourth Street ClinicEIN 87-0569356 | Health | UT | $7,465,281Mid-sized | 93.71 |
| Franciscan Foundation for the Holy LandEIN 33-0628775 | Religion | DC | $2,478,438Small | 96.28 |
| Franklin and Eleanor Roosevelt InstituteEIN 23-7213592 | Arts, Culture, Humanities | NY | $6,807,755Mid-sized | 90.37 |
| FRAXA Research FoundationEIN 04-3222167 | Health | MA | $1,497,101Small | 97.17 |
| Frederick Rescue MissionEIN 52-0813371 | Human Services | MD | $3,569,445Mid-sized | 91.61 |
| Fredericksburg Area Food BankEIN 54-1255013 | Human Services | VA | $9,390,605Mid-sized | 91.30 |
| Frederik Meijer Gardens & Sculpture FoundationEIN 38-3118579 | Environment | MI | $4,455,748Mid-sized | 91.46 |
| Frederik Meijer Gardens & Sculpture ParkEIN 38-2394044 | Environment | MI | $19,104,355Large | 90.50 |
| Free PressEIN 41-2106721 | Human and Civil Rights | MA | $3,278,337Small | 96.04 |
| Free Software FoundationEIN 04-2888848 | Human and Civil Rights | MA | $1,233,394Small | 96.66 |
| Free Spirit MediaEIN 36-4456215 | Education | IL | $1,828,094Small | 92.74 |
| Free The KidsEIN 22-3741436 | Human Services | NC | $3,425,714Small | 94.74 |
| Freedom AllianceEIN 54-1411430 | Human and Civil Rights | VA | $6,409,316Mid-sized | 90.18 |
| Freedom From Religion FoundationEIN 39-1302520 | Human and Civil Rights | WI | $4,478,081Mid-sized | 95.05 |
| Freedom Service Dogs of AmericaEIN 84-1068936 | Animals | CO | $2,887,720Small | 93.15 |
| FreeStore FoodBankEIN 23-7122205 | Human Services | OH | $56,407,957Large | 92.73 |
| French Camp AcademyEIN 64-0321520 | Education | MS | $7,979,114Mid-sized | 90.67 |
| Fresh Lifelines for YouthEIN 52-2234595 | Human Services | CA | $5,181,104Mid-sized | 90.90 |
| Fresh Youth InitiativesEIN 13-3723207 | Human Services | NY | $1,366,763Small | 99.02 |
| Friedreich's Ataxia Research AllianceEIN 52-2122720 | Health | PA | $6,811,814Mid-sized | 98.23 |
| Friends for Animals of Metro DetroitEIN 38-3171570 | Animals | MI | $1,509,057Small | 91.42 |
| Friends for LifeEIN 26-0020294 | Animals | TX | $1,308,842Small | 90.85 |
| Friends of AcadiaEIN 01-0425071 | Environment | ME | $3,913,667Mid-sized | 93.37 |
| Friends of AnimalsEIN 13-6018549 | Animals | CT | $5,114,007Mid-sized | 90.62 |
| Friends of Disabled Adults and ChildrenEIN 58-1709436 | Human Services | GA | $5,343,150Mid-sized | 93.04 |
| Friends of Idaho Public TelevisionEIN 82-0400218 | Arts, Culture, Humanities | ID | $5,109,474Mid-sized | 91.01 |
| Friends of Israel Disabled Veterans – Beit HalochemEIN 13-3392711 | International | NY | $3,424,560Small | 90.86 |
| Friends of KSPSEIN 23-7203753 | Arts, Culture, Humanities | WA | $5,415,953Mid-sized | 92.21 |
| Friends of Public Radio ArizonaEIN 01-0579687 | Arts, Culture, Humanities | AZ | $9,711,493Mid-sized | 91.51 |
| Friends of the EarthEIN 23-7420660 | Environment | DC | $10,291,770Mid-sized | 94.64 |
| Friends of the Hennepin County LibraryEIN 36-3579536 | Arts, Culture, Humanities | MN | $2,347,652Small | 91.99 |
| Friends of the Israel Defense ForcesEIN 13-3156445 | International | NY | $96,974,455Large | 94.05 |
| Friends of the National ArboretumEIN 52-1257712 | Environment | DC | $1,291,668Small | 92.93 |
| Friends of the ZooEIN 58-1661267 | Animals | TN | $3,952,318Mid-sized | 91.36 |
| Friends of UNFPAEIN 13-3996346 | International | NY | $5,955,565Mid-sized | 90.57 |
| Friends of United Hatzalah of IsraelEIN 11-3533002 | Health | NY | $21,197,988Large | 93.91 |
| Friends of Yad SarahEIN 13-3106175 | Human Services | NY | $2,625,870Small | 96.66 |
| Friends of Yemin OrdeEIN 22-3090463 | Human Services | MD | $8,205,649Mid-sized | 92.92 |
| Friends Without A BorderEIN 13-3880402 | International | NY | $2,374,923Small | 98.38 |
| Friendship Home of Lincoln, INCEIN 47-0619855 | Human Services | NE | $2,565,766Small | 93.77 |
| Friendship TraysEIN 56-1201496 | Human Services | NC | $2,012,422Small | 95.60 |
| Front Range Equine RescueEIN 84-1418525 | Animals | FL | $1,241,592Small | 90.63 |
| Frontier FellowshipEIN 94-3142057 | Religion | MN | $1,705,649Small | 91.57 |
| FSH SocietyEIN 52-1762747 | Health | MA | $2,423,238Small | 95.03 |
| Fuel Fund of MarylandEIN 52-1204629 | Human Services | MD | $5,466,811Mid-sized | 90.27 |
| FulfillEIN 22-2622522 | Human Services | NJ | $27,023,689Large | 96.46 |
| Funders' Network for Smart Growth and Livable CommunitiesEIN 57-1173613 | Community Development | FL | $4,572,026Mid-sized | 90.91 |
| FurkidsEIN 01-0766844 | Animals | GA | $1,756,976Small | 90.71 |
| Futures and OptionsEIN 13-4063658 | Human Services | NY | $2,023,222Small | 91.28 |
| Futures Without ViolenceEIN 94-3110973 | Human and Civil Rights | CA | $11,788,313Mid-sized | 94.60 |
| G.O. MinistriesEIN 36-4092893 | Religion | KY | $4,970,449Mid-sized | 90.39 |
| Galapagos ConservancyEIN 13-3281486 | Environment | VA | $4,584,984Mid-sized | 93.13 |