| Lange FoundationEIN 95-4407687 | Animals | CA | $1,705,600Small | 96.22 |
| Larkin Street Youth ServicesEIN 94-2917999 | Human Services | CA | $18,597,674Large | 90.64 |
| Last Chance for AnimalsEIN 95-4013155 | Animals | CA | $2,442,653Small | 98.23 |
| Latin American AssociationEIN 58-1237316 | Human Services | GA | $3,759,451Mid-sized | 91.05 |
| Laura's HouseEIN 33-0621826 | Human Services | CA | $3,677,412Mid-sized | 91.77 |
| Lawrence Family Jewish Community Center, Jacobs Family CampusEIN 95-1985444 | Human Services | CA | $12,171,345Mid-sized | 90.46 |
| Leadership Conference Education FundEIN 23-7026895 | Human and Civil Rights | DC | $11,075,584Mid-sized | 90.72 |
| Leadership MemphisEIN 62-1043517 | Community Development | TN | $1,768,006Small | 92.02 |
| Leading The Way with Dr. Michael YoussefEIN 58-1816773 | Religion | GA | $17,173,030Large | 97.10 |
| League for Animal WelfareEIN 31-0818511 | Animals | OH | $1,511,108Small | 93.36 |
| League of American OrchestrasEIN 23-7300636 | Arts, Culture, Humanities | NY | $7,061,267Mid-sized | 90.36 |
| League of Conservation Voters Education FundEIN 52-1379661 | Environment | DC | $18,493,698Large | 92.02 |
| LEAPEIN 22-2906547 | Education | CT | $2,331,529Small | 91.45 |
| Leave No Trace Center for Outdoor EthicsEIN 84-1303335 | Environment | CO | $1,905,401Small | 91.90 |
| LeavenEIN 39-1572168 | Human Services | WI | $1,206,416Small | 90.50 |
| Legal Aid Society of ClevelandEIN 34-0866026 | Human and Civil Rights | OH | $7,921,882Mid-sized | 94.05 |
| Legal Aid Society of the District of ColumbiaEIN 53-0196600 | Human and Civil Rights | DC | $5,594,783Mid-sized | 99.46 |
| Lensic Performing Arts CenterEIN 85-0448396 | Arts, Culture, Humanities | NM | $3,804,951Mid-sized | 90.46 |
| Lesbian, Gay, Bisexual & Transgender Community CenterEIN 13-3217805 | Human and Civil Rights | NY | $11,272,823Mid-sized | 90.68 |
| LeSea Global Feed the HungryEIN 32-0053249 | International | IN | $20,810,077Large | 91.36 |
| Let's Get ReadyEIN 31-1698832 | Education | NY | $3,468,417Small | 92.03 |
| Leukemia Research FoundationEIN 36-6102182 | Health | IL | $2,490,827Small | 91.93 |
| Lewis Ginter Botanical GardenEIN 54-1273467 | Environment | VA | $8,265,053Mid-sized | 95.14 |
| Lexington Humane SocietyEIN 61-0444762 | Animals | KY | $3,623,048Mid-sized | 93.10 |
| Liberty Hill FoundationEIN 51-0181191 | Community Development | CA | $8,848,390Mid-sized | 92.75 |
| Liberty Science CenterEIN 22-2302253 | Arts, Culture, Humanities | NJ | $27,635,857Large | 91.45 |
| Library Foundation of Los AngelesEIN 95-4368250 | Arts, Culture, Humanities | CA | $6,805,193Mid-sized | 94.18 |
| Life In Abundance InternationalEIN 02-0587875 | International | KY | $2,751,356Small | 92.37 |
| Life Legal Defense FoundationEIN 68-0191488 | Human and Civil Rights | CA | $2,096,898Small | 93.76 |
| LifeMovesEIN 77-0160469 | Human Services | CA | $21,083,252Large | 90.87 |
| LifeNet4Families | Cooperative Feeding ProgramEIN 59-2696451 | Human Services | FL | $2,405,002Small | 91.16 |
| Lifesong for OrphansEIN 35-1902841 | Human Services | IL | $16,275,470Large | 100.00 |
| Lifewater InternationalEIN 95-3987142 | International | CA | $4,367,208Mid-sized | 92.49 |
| LifeWireEIN 91-1190193 | Human Services | WA | $3,673,126Mid-sized | 91.39 |
| LiftFundEIN 74-2712770 | Community Development | TX | $16,726,193Large | 91.10 |
| Light of Life Rescue MissionEIN 25-1056389 | Human Services | PA | $6,393,424Mid-sized | 90.12 |
| LightHouse for the Blind and Visually ImpairedEIN 94-1415317 | Human Services | CA | $12,324,154Mid-sized | 95.17 |
| Lighthouse of Broward CountyEIN 59-1650909 | Human Services | FL | $1,874,571Small | 96.22 |
| Lincoln Center for the Performing ArtsEIN 13-1847137 | Arts, Culture, Humanities | NY | $171,260,689Large | 90.26 |
| Lincoln Center TheaterEIN 13-3004747 | Arts, Culture, Humanities | NY | $44,380,044Large | 91.88 |
| Linn Benton Food ShareEIN 93-1099406 | Human Services | OR | $8,991,492Mid-sized | 93.49 |
| Lions Clubs International FoundationEIN 23-7030455 | Human Services | IL | $58,459,538Large | 90.69 |
| LISTEN Community ServicesEIN 23-7225952 | Human Services | NH | $2,434,586Small | 91.15 |
| Literacy ActionEIN 58-1053728 | Education | GA | $1,905,616Small | 90.52 |
| Literacy Coalition of Palm Beach CountyEIN 65-0169781 | Education | FL | $4,764,772Mid-sized | 91.91 |
| Little Light HouseEIN 73-0939422 | Education | OK | $2,305,990Small | 99.32 |
| Livermore Valley Performing Arts CenterEIN 68-0419182 | Arts, Culture, Humanities | CA | $3,917,776Mid-sized | 90.54 |
| Living Beyond Breast CancerEIN 23-2734689 | Health | PA | $4,561,647Mid-sized | 96.12 |
| Living Classrooms FoundationEIN 52-1369524 | Education | MD | $9,077,404Mid-sized | 90.20 |
| Living Lands and WatersEIN 36-4244353 | Environment | IL | $2,001,281Small | 92.43 |
| Loaves & Fishes Community ServicesEIN 36-3786777 | Human Services | IL | $12,840,978Mid-sized | 93.61 |
| Loaves & Fishes, CharlotteEIN 56-1398498 | Human Services | NC | $3,158,747Small | 90.60 |
| Locks of LoveEIN 65-0755522 | Health | FL | $765,466Small | 90.94 |
| Loggerhead Marinelife CenterEIN 59-2445926 | Animals | FL | $3,719,334Mid-sized | 92.62 |
| Lollypop Farm, the Humane Society of Greater RochesterEIN 16-0743047 | Animals | NY | $7,301,943Mid-sized | 95.53 |
| Lone Survivor FoundationEIN 27-1850918 | Human Services | TX | $2,708,821Small | 90.87 |
| Long Island Alzheimer's FoundationEIN 11-2926958 | Health | NY | $1,489,593Small | 91.39 |
| Long Now FoundationEIN 68-0384748 | Research and Public Policy | CA | $3,028,507Small | 90.03 |
| Los Angeles County Museum of ArtEIN 95-2264067 | Arts, Culture, Humanities | CA | $135,966,047Large | 90.69 |
| Los Angeles Regional Food BankEIN 95-3135649 | Human Services | CA | $92,294,115Large | 91.95 |