| Little Sisters of the Poor at St. Martin's BaltimoreEIN 52-0715244 | Human Services | MD | $7,179,367Mid-sized | 77.26 |
| Little Sisters of the Poor of IndianapolisEIN 35-1007734 | Human Services | IN | $6,639,356Mid-sized | 77.89 |
| Little Sisters of the Poor of PittsburghEIN 25-0974310 | Human Services | PA | $7,719,894Mid-sized | 85.58 |
| Little Sisters of the Poor of Washington, DCEIN 53-0227542 | Human Services | DC | $9,711,423Mid-sized | 81.54 |
| LitWorldEIN 13-4367685 | Education | NY | $1,372,881Small | 79.95 |
| Live ActionEIN 42-1764425 | Human and Civil Rights | VA | $3,359,488Small | 71.34 |
| Livermore Valley Performing Arts CenterEIN 68-0419182 | Arts, Culture, Humanities | CA | $3,917,776Mid-sized | 90.54 |
| Lives Under Construction Boys RanchEIN 46-0368556 | Human Services | MO | $1,358,480Small | 78.47 |
| Livestrong FoundationEIN 74-2806618 | Health | TX | $15,394,301Large | 83.66 |
| LiveWell ColoradoEIN 26-2464764 | Research and Public Policy | CO | $4,006,804Mid-sized | 86.84 |
| Living Arts & Science CenterEIN 61-0675663 | Arts, Culture, Humanities | KY | $883,955Small | 88.93 |
| 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 GoodsEIN 20-5010527 | International | CA | $9,618,119Mid-sized | 89.24 |
| 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 on the EdgeEIN 46-0484695 | Religion | GA | $5,163,751Mid-sized | 83.59 |
| Living Water InternationalEIN 76-0324875 | International | TX | $24,044,401Large | 83.01 |
| 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 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 |
| 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 |
| Local Initiatives Support CorporationEIN 13-3030229 | Community Development | NY | $146,056,292Large | 89.97 |
| 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 |
| Loggerhead Marinelife CenterEIN 59-2445926 | Animals | FL | $3,719,334Mid-sized | 92.62 |
| LOGOIEIN 59-1209720 | Religion | FL | $675,621Small | 71.41 |
| Lollypop Farm, the Humane Society of Greater RochesterEIN 16-0743047 | Animals | NY | $7,301,943Mid-sized | 95.53 |
| Lone Star Flight MuseumEIN 76-0213778 | Arts, Culture, Humanities | TX | $4,193,643Mid-sized | 83.29 |
| 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 Beach Rescue MissionEIN 95-2741506 | Human Services | CA | $4,011,416Mid-sized | 83.92 |
| Long Island Alzheimer's FoundationEIN 11-2926958 | Health | NY | $1,489,593Small | 91.39 |
| Long Island CaresEIN 11-2524512 | Human Services | NY | $14,570,325Large | 87.57 |
| Long Island Children's MuseumEIN 11-3035221 | Arts, Culture, Humanities | NY | $4,693,196Mid-sized | 82.81 |
| 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 |
| Long Wharf TheatreEIN 06-6073063 | Arts, Culture, Humanities | CT | $7,523,171Mid-sized | 86.98 |
| Longmont Humane SocietyEIN 84-0645455 | Animals | CO | $3,777,711Mid-sized | 83.19 |
| Longyear MuseumEIN 04-2203829 | Arts, Culture, Humanities | MA | $3,858,317Mid-sized | 87.55 |
| Los Angeles Alliance for a New EconomyEIN 95-4459427 | Community Development | CA | $4,683,520Mid-sized | 87.82 |
| Los Angeles BalletEIN 20-1819852 | Arts, Culture, Humanities | CA | $2,925,423Small | 76.38 |
| Los Angeles Chamber OrchestraEIN 23-7010825 | Arts, Culture, Humanities | CA | $4,917,365Mid-sized | 88.10 |
| Los Angeles County Museum of ArtEIN 95-2264067 | Arts, Culture, Humanities | CA | $135,966,047Large | 90.69 |
| Los Angeles Master Chorale AssociationEIN 95-2315682 | Arts, Culture, Humanities | CA | $5,610,819Mid-sized | 83.58 |
| Los Angeles MissionEIN 95-3134049 | Human Services | CA | $13,882,445Large | 75.03 |
| Los Angeles Museum of the HolocaustEIN 46-0503824 | Arts, Culture, Humanities | CA | $2,887,434Small | 80.39 |
| Los Angeles Police FoundationEIN 95-4700442 | Human Services | CA | $2,603,734Small | 88.40 |
| Los Angeles Regional Food BankEIN 95-3135649 | Human Services | CA | $92,294,115Large | 91.95 |
| Los Angeles WaterkeeperEIN 95-4444787 | Environment | CA | $1,246,299Small | 82.14 |
| Los Angeles World Affairs CouncilEIN 95-1783788 | International | CA | $1,489,824Small | 88.03 |
| Los Cabos Children's FoundationEIN 20-2882711 | International | MN | $1,026,454Small | 89.11 |
| Lotus HouseEIN 81-0652266 | Human Services | FL | $7,104,050Mid-sized | 93.98 |
| Loudoun Hunger ReliefEIN 54-1591635 | Human Services | VA | $3,260,978Small | 96.00 |
| Louisiana Baptist Children's Home & Family MinistriesEIN 72-6000696 | Human Services | LA | $6,616,544Mid-sized | 73.05 |