| La Casa Latina | | | | | | | | |
| Laboratory for Research on the Structure of Matter (LRSM) | | | | | | | | |
| Lambda Chi Alpha | | | | | | | | |
| Lambda Grads:LGBT Grad/Prof Social Group | | | | | | | | |
| Landscape Architecture and Regional Planning, Department of | | | | | | | | |
| Language, Information, and Computation (LINC) Laborartory | | | | | | | | |
| Latin American and Latino Studies Program | | | | | | | | |
| Latino Coalition | | | | | | | | |
| Lauder Institute of Management and International Studies | | | | | | | | |
| Law and Economics, Institute for | | | | | | | | |
| Law Review, University of Pennsylvania | | | | | | | | |
| Law, Penn | facebook | | photos | youtube | linkedin | | blog | itunesu |
| Law School Information Technology Services | | | | | | | | |
| LDI Center for Health Incentives | | | | | | | | |
| Leadership and Change Management, Center for | | | | | | | | |
| Learning and Education | | | | | | | | |
| Learning and Education (Human Resources) | | | | | | | | |
| Learning Disabilities (Student Disabilities Services) | | | | | | | | |
| Learning Resources Center | | | | | | | | |
| Legal Services | | | | | | | | |
| Legal Studies Department(Wharton) | | | | | | | | |
| Leon Levy Center for Oral Health Research | | | | | | | | |
| Leonard Davis Institute of Health Economics | | | | | | | | |
| Lesbian Gay Bisexual Transgender Center | facebook | | | | | | | |
| Libraries | facebook | | | youtube | | | | |
| Licensing, Office of Software | | | | | | | | |
| LIFE Program (Living Independently For Elders) | | | | | | | | |
| Life Sciences and Management | | | | | | | | |
| Lifelong Learning Programs | | | | | | | | |
| Linguistic Data Consortium | | | | | | | | |
| Linguistics, Department of | | | | | | | | |
| Lippincott Library of the Wharton School | | | | | | | blog | |
| Literacy Research Center | | | | | | | | |
| Local Commitment | | | | | | | | |
| Logic and Computation Group | | | | | | | | |
| LRSM Photographics | | | | | | | | |
| Lubavitch House | | | | | | | | |
