| 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 Kids RockEIN 94-3396568 | Education | NJ | $5,555,404Mid-sized | 89.88 |
| Little League BaseballEIN 23-1688231 | Human Services | PA | $29,597,459Large | 86.96 |
| Little Red Door Cancer AgencyEIN 35-0914096 | Health | IN | $1,916,196Small | 86.46 |
| Little Sisters of the Assumption Family Health ServiceEIN 13-2867881 | Human Services | NY | $4,959,509Mid-sized | 86.04 |
| 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 |
| 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 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 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 |
| 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 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 |
| Lone Star Flight MuseumEIN 76-0213778 | Arts, Culture, Humanities | TX | $4,193,643Mid-sized | 83.29 |
| Long Beach Museum of ArtEIN 95-2567271 | Arts, Culture, Humanities | CA | $1,612,856Small | 84.90 |
| Long Beach Rescue MissionEIN 95-2741506 | Human Services | CA | $4,011,416Mid-sized | 83.92 |
| 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 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 Chamber OrchestraEIN 23-7010825 | Arts, Culture, Humanities | CA | $4,917,365Mid-sized | 88.10 |
| Los Angeles Master Chorale AssociationEIN 95-2315682 | Arts, Culture, Humanities | CA | $5,610,819Mid-sized | 83.58 |
| 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 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 |
| Louisiana Children's MuseumEIN 72-0929068 | Arts, Culture, Humanities | LA | $2,248,572Small | 85.55 |
| Louisiana Philharmonic OrchestraEIN 72-1189023 | Arts, Culture, Humanities | LA | $5,568,310Mid-sized | 86.72 |
| Louisville BalletEIN 61-6033779 | Arts, Culture, Humanities | KY | $4,486,519Mid-sized | 88.95 |
| Louisville Central Community CenterEIN 61-0590743 | Human Services | KY | $1,575,467Small | 80.89 |
| Louisville OrchestraEIN 61-6000384 | Arts, Culture, Humanities | KY | $6,751,076Mid-sized | 88.89 |
| Love in the Name of ChristEIN 38-2578829 | Human Services | MI | $1,967,779Small | 81.60 |
| Love146EIN 20-1168284 | Human Services | CT | $3,770,196Mid-sized | 86.96 |
| Lowell ObservatoryEIN 86-0098918 | Research and Public Policy | AZ | $12,648,803Mid-sized | 88.56 |
| Lower Cape Outreach CouncilEIN 04-2864255 | Human Services | MA | $1,191,323Small | 81.54 |
| Lower Manhattan Cultural CouncilEIN 23-7348782 | Arts, Culture, Humanities | NY | $3,660,793Mid-sized | 87.43 |
| Loyalhanna Watershed AssociationEIN 23-7135993 | Environment | PA | $681,889Small | 84.54 |
| Lubbock Meals on WheelsEIN 75-1333736 | Human Services | TX | $1,332,605Small | 85.04 |
| Luis Palau AssociationEIN 93-0713827 | Religion | OR | $9,118,819Mid-sized | 83.26 |
| LumberyardEIN 52-2158599 | Arts, Culture, Humanities | NY | $5,356,697Mid-sized | 84.71 |
| LuMind Research Down Syndrome FoundationEIN 37-1483975 | Health | MA | $2,821,799Small | 85.38 |
| Lung Cancer AllianceEIN 91-1821040 | Health | DC | $3,992,235Mid-sized | 82.85 |
| Lutheran Heritage FoundationEIN 38-3106702 | Religion | MI | $2,309,004Small | 88.72 |
| Lutheran Indian MinistriesEIN 39-1509253 | Religion | WI | $2,151,386Small | 83.27 |
| Lyric Opera of ChicagoEIN 36-6008929 | Arts, Culture, Humanities | IL | $86,475,933Large | 89.58 |
| Lyric Opera of Kansas CityEIN 44-0626124 | Arts, Culture, Humanities | MO | $6,714,592Mid-sized | 89.96 |