| LGBTQ Victory InstituteEIN 52-1835268 | Human and Civil Rights | DC | $2,665,828Small | 81.71 |
| Liberty in North KoreaEIN 73-1710135 | International | CA | $2,117,955Small | 88.50 |
| Liberty USOEIN 23-1426011 | Human Services | PA | $2,249,799Small | 85.99 |
| Liberty Youth RanchEIN 38-3674666 | Human Services | FL | $879,430Small | 81.32 |
| Library Company of PhiladelphiaEIN 23-1370444 | Arts, Culture, Humanities | PA | $3,452,930Small | 86.21 |
| Life CentersEIN 31-1059740 | Human Services | IN | $1,470,473Small | 80.66 |
| Life Choices of MemphisEIN 62-1281799 | Health | TN | $1,061,899Small | 83.38 |
| Life In Abundance InternationalEIN 02-0587875 | International | KY | $2,751,356Small | 92.37 |
| Life InternationalEIN 38-3625693 | Religion | MI | $1,654,401Small | 79.73 |
| Life is Good Kids FoundationEIN 20-5524270 | Human Services | MA | $1,888,936Small | 72.19 |
| Life Issues InstituteEIN 31-0814275 | Human and Civil Rights | OH | $666,850Small | 74.67 |
| Life Legal Defense FoundationEIN 68-0191488 | Human and Civil Rights | CA | $2,096,898Small | 93.76 |
| Life NetworkEIN 84-0970592 | Health | CO | $1,490,345Small | 77.24 |
| Life Without LimbsEIN 37-1511251 | Religion | CA | $1,671,772Small | 68.82 |
| Life-Study FellowshipEIN 06-1035622 | Religion | CT | $1,472,033Small | 59.37 |
| LifeFlight FoundationEIN 52-2377085 | Health | ME | $1,785,307Small | 83.37 |
| LifeLight CommunicationsEIN 46-0460742 | Religion | SD | $1,347,099Small | 67.10 |
| LifeNet4Families | Cooperative Feeding ProgramEIN 59-2696451 | Human Services | FL | $2,405,002Small | 91.16 |
| Lifesavers Wild Horse RescueEIN 95-4631906 | Animals | CA | $2,016,560Small | 78.85 |
| Lifeword Media MinistriesEIN 71-0394665 | Religion | AR | $1,317,048Small | 74.57 |
| Lifting GenerationsEIN 80-0001164 | International | UT | $1,750,813Small | 81.62 |
| Light Bearers MinistryEIN 91-1320416 | Religion | OR | $2,143,996Small | 78.76 |
| LightHawkEIN 84-0852104 | Environment | CO | $1,589,618Small | 85.34 |
| Lighthouse Children's HomeEIN 59-1725801 | Human Services | FL | $1,736,706Small | 72.86 |
| Lighthouse Family RetreatEIN 58-2509728 | Health | GA | $2,313,452Small | 83.31 |
| Lighthouse of Broward CountyEIN 59-1650909 | Human Services | FL | $1,874,571Small | 96.22 |
| Lincoln Children's MuseumEIN 47-0716636 | Arts, Culture, Humanities | NE | $1,529,973Small | 86.62 |
| Lindsay Wildlife MuseumEIN 94-6104179 | Arts, Culture, Humanities | CA | $2,679,461Small | 87.12 |
| LINK Unlimited ScholarsEIN 23-7386928 | Education | IL | $2,710,923Small | 83.38 |
| 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 Assistance CenterEIN 13-3179618 | Education | NY | $1,917,881Small | 86.84 |
| Literacy PartnersEIN 51-0180665 | Education | NY | $2,411,788Small | 87.70 |
| Literacy, Inc.EIN 13-3911331 | Education | NY | $2,604,693Small | 89.64 |
| Literary ArtsEIN 93-0909494 | Education | OR | $2,167,145Small | 85.87 |
| Little Bit Therapeutic Riding Center EIN 91-1012131 | Health | WA | $2,283,394Small | 84.02 |
| Little Light HouseEIN 73-0939422 | Education | OK | $2,305,990Small | 99.32 |
| Little Red Door Cancer AgencyEIN 35-0914096 | Health | IN | $1,916,196Small | 86.46 |
| LitWorldEIN 13-4367685 | Education | NY | $1,372,881Small | 79.95 |
| Live ActionEIN 42-1764425 | Human and Civil Rights | VA | $3,359,488Small | 71.34 |
| Lives Under Construction Boys RanchEIN 46-0368556 | Human Services | MO | $1,358,480Small | 78.47 |
| Living Arts & Science CenterEIN 61-0675663 | Arts, Culture, Humanities | KY | $883,955Small | 88.93 |
| Living Hope InternationalEIN 39-2000544 | Human Services | WI | $1,445,293Small | 84.44 |
| Living Lands and WatersEIN 36-4244353 | Environment | IL | $2,001,281Small | 92.43 |
| Living WatersEIN 27-0094016 | Religion | CA | $3,413,862Small | 65.71 |
| Livingston County United WayEIN 38-2174453 | Community Development | MI | $1,582,147Small | 89.39 |
| Lloyd Center for the EnvironmentEIN 04-3066693 | Environment | MA | $761,737Small | 87.94 |
| Loaves & Fishes, CharlotteEIN 56-1398498 | Human Services | NC | $3,158,747Small | 90.60 |
| Loaves and FishesEIN 41-1421522 | Human Services | MN | $3,338,845Small | 85.79 |
| Loaves and Fishes for St. LouisEIN 43-1251264 | Human Services | MO | $1,905,288Small | 86.60 |
| Lobero Theatre FoundationEIN 95-1831068 | Arts, Culture, Humanities | CA | $2,980,948Small | 83.58 |
| Locks of LoveEIN 65-0755522 | Health | FL | $765,466Small | 90.94 |
| Logan Square Neighborhood AssociationEIN 36-2638491 | Community Development | IL | $2,108,665Small | 74.95 |
| LOGOIEIN 59-1209720 | Religion | FL | $675,621Small | 71.41 |
| Lone Survivor FoundationEIN 27-1850918 | Human Services | TX | $2,708,821Small | 90.87 |
| Long Beach Museum of ArtEIN 95-2567271 | Arts, Culture, Humanities | CA | $1,612,856Small | 84.90 |
| Long Beach OperaEIN 95-3387074 | Arts, Culture, Humanities | CA | $2,078,167Small | 70.99 |
| Long Island Alzheimer's FoundationEIN 11-2926958 | Health | NY | $1,489,593Small | 91.39 |
| Long Island Council on Alcoholism & Drug DependenceEIN 11-1833092 | Health | NY | $1,457,603Small | 83.38 |
| Long Now FoundationEIN 68-0384748 | Research and Public Policy | CA | $3,028,507Small | 90.03 |